How to get rid of silverfish with diatomaceous earth(+bonus tips)
Discover perhaps the best way to kill these creatures in your home, plus some extra tips for clearing them our completely.
To treat a silverfish problem with diatomaceous earth, sprinkle the powder in areas where they are found in your home. The powder particles have rough edges that cut through the body of silverfish, therefore killing them when they crawl over it.
This is a food grade powdery substance which can be used in eliminating silverfish. It is best in killing many crawling organisms, including these household pests. Sprinkle the powder in the dark areas of the house such as cracks and crevices, cabinets and along the baseboards.
Diatomaceous earth is characterized by sharp edges which if these beasties come in contact, their exoskeletons is punctured thus killing them and you can then remove the dead insects. When applying, ensure that you use a mask as the powder may cause some negative effects to you. In a short period, all these organisms will be no more.
picture of diatomaceous earth
Silverfish bugs are grayish blue harmless serpentine organisms found in gardens and can find their way into the house. They are unfriendly and unpleasant when in the apartment. They are notorious in eating books and other sugary substances they come across.
These pests do well in wet and similar to cockroaches, love dark places which can lead to an infestation. Because of the damages caused and their unpleasantness, it is important to treat them properly. Here are some extra strategies which can be employed, including the following:-
Making powder traps
Find out their resting place
Because silverfish are nocturnal, they can be hard to find during the day and can only be located from their excrement. This is what they leave behind when they damage books and starchy materials in the house. Isolate dark and damp areas in the house, then you will either find small holes on clothing or yellowish stains on the clothes. The holes and yellowish stains can also be found on cereals, cardboard boxes and this will be an indication that they live around there.
get rid of silverfish photograph for blogpost
Finally they are known to shedding their skin, by following tiny parts of their skin, it will help in tracking and trapping them. They go through 17 to 66 moults in their lifetimes overall [source]. After locating them, you can trap them with a homemade silverfish trap. Find out – are silverfish dangerous?
The homemade trap can be modified by wrapping its outside with a tape (masking) and then placing diatomaceous earth or some pieces of bread in the container. The tape enables a silverfish bug to climb and fall into the jar. The container is then left at some point where you had located them. They will climb the glass and then fall into it in order to eat bread. As they fed more and more will be joining and when you come to check, you will find them inside and kill them. Remember, the inside of the glass will be slippery hence difficulty to escape.
Newspaper traps can also be used to keep silverfish out of your house. The newspapers can be wrapped together and one part tied with a rubber band. Moisten the other end and let the paper trap rest on the areas where you had located them. They will come and feed on the newspapers and since the paper will provide food and shelter, they will eat and sleep there.
The shelter and warmth of you home is what causes them to come inside in the first place.The following day throw the paper out without unfolding them or you can burn them for effective pest control.
Sticky traps
These are already made traps which can be accessed from a hardware store. The traps are made in such a way that they are sticky, a feature important in trapping these creatures. The traps are put at specific points where the organisms hide especially in dark spots, such as kitchen cabinets, and wet areas like laundry rooms. When they start moving around at night, they will come out of their hiding places and make their way onto the trap and they will stick there. Small pieces of starch or bread can be placed on the traps to act as bait. Put some masking tape around the outside to help them climb up. After trapping them, you can kill them with a lot of ease.
Use of repellants and insecticides
Chemicals can be used as another strategy of eliminating and extermination of silverfish from the home. There are many chemicals that are available in stores that can effectively help in removing them out of your home and may include:-
Boric acid
This is another natural substance commonly used in getting rid of them from your apartment. Boric acid is effective in killing both the eggs and mature insects. It is applied by sprinkling it in dark areas such as baseboards, bathroom, bathtub and other areas where you may have tracked them to. When the acid comes into contact with silverfish, it will kill them. It is recommended that boric acid be used carefully because if it is inhaled, it has negative effects to the lungs.
There are other sprays and chemicals which can be employed in killing them including, lavender spray, spice sachets, cedar shavings, and liquid pyrethrin among others. Remember, the chemicals used to repel silverfish may vary from place to place as their use is normally regulated. This is because some may cause adverse effects to people hence professionals may be need to apply them. Go through the label of any chemical you want to buy to get rid of silverfish to understand the procedure and any associated risks.
Prevent these insects from coming back to the house
After the above procedures for dealing with this pest problem, it is important to prevent their return. This can be achieved in the following ways:-
Dehumidifying the house
Silverfish love dark damp places around your home and if this wetness continues, chances are that after killing them they will return soon with a fresh infestation. Reducing humidity in the house is a sure way of preventing them from resurfacing. Purchase a dehumidifier and use it in reducing humidity or use the air conditioner or keep the fan on most of the times. This device will draw water droplets out of the air in a room. This will automatically reduce the amount of damp places and moisture in the home thus prevent them from returning.
dehumidifier photo
Remove food from the floor
For proper pest control, food sources, books and any other materials must be cleared from the floor. Never pile books on the floor and dirty clothes on the floor as they are likely to attract these insects into your home. Keep food sources in sealed containers made from plastic rather than wood. Beware that silverfish can find their way into cardboard cereal boxes. Old wallpapers must be replaced in order to prevent them from returning, and if you are in possession of old clothes or out of date clothes, place them in plastic bags in order to prevent invasion by silverfish. To prevent further infestations, you should do all that you can to keep particles and crumbs away from them, and keep your food source in a glass jar, glass container or storage boxes..
Vacuum your house
Vacuuming your house will reduce the food for silverfish and also suck their eggs from the carpet and any other place where they may be deposited thus denying them a good environment to flourish
When I had problems with them in my home, I found an ebook that was a great help. Click here to find out more or click on the picture below.
Homemade remedies
Home remedies can be an effective way to get rid of these insects and do your own pest control. Some people swear by peppermint oil or another essential oil in a spray bottle as these insects don't like the smell. Other possible repellents could be bay leaves to keep them out of your home. Also homemade sticky traps can be an effective form of pest control and silverfish removal.
If after following these tips, you are still having issues, it may be best to call an expert such as a professional exterminator.
How long do silverfish live?
I was astonished to find out the answer to this question, but apparently they can live up to 8 years, although anything between 3 and 6 years is average.
What causes them to come into a home?
They are attracted to a home when the right conditions are met i.e. there is plentiful food and water for them to survive.


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noun, plural: chromaffin cells
Any of the cells (mostly found) in adrenal medulla and in other ganglia of the sympathetic nervous system that stains readily with chromium salts (hence the name) due to the presence of catecholamines, which it synthesizes and secretes.
In humans, chromaffin cells are derived from the embryonic neural crest. Most of them are located near the sympathetic ganglia, vagus nerve, paraganglia and carotid arteries. A few of them are found in bladder wall, prostate, and behind the liver.
They are named chromaffin cells because these cells have an affinity for stains containing chromium salts that oxidize and polymerize catecholamines, resulting in brown color (an indication of the presence of epinephrine or norepinephrine).
Word origin: chromaffin: Greek chromaffine (1898), equiv. to chromchrom- + Latin affinis next to, inclined to.
Related terms: sympathochromaffin cell.

source: openbmb/Ultra-FineWeb


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Some distinction can be made interpreting data in a spectrogram. An easier and quicker way to distinguish orders and quantify the acoustic emissions is an analysis based on orders (order analysis). NoiseImage 4 and the Order Analysis module allow to calculate acoustic maps via ordergram, order line selection in the spectrogram (Figure 1), or order spectrum (Figure 2). This gives way to fast analysis of all-sizes machines ranging from large scale infrastructure as shown to small items in the range of centimeters.
Based on the analysis results, you are enabled to quickly localize noise emissions and e. g. compare prototype iterations. The results also allow to narrow down regions of interest for more detailed testing including vibration analysis and troubleshooting of resonance effects.
The array used in this example can be used for testing on ground level as well as for suspended operation using a crane e. g. to cover the top view. It is foldable for transport.
The powerful data recorder collects data at 192 kS/s of up to hundreds of channels including individual microphones, accelerometers and rotational speed sensors. Analyses can be automated by the Project Manager. This NoiseImage module allows you to transfer measurement and analysis configurations to entire measurement campaigns.


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Mound Laboratory and the Mound site, located at southern edge of Miamisburg, between Dayton and Cincinnati, in Southwestern Ohio, hold significant places in the history of the Nuclear Age and in the hearts and minds of the dedicated scientists and workers who labored there for more than 50 years. The people, the plant, their research and manufactured items were at the leading edge of the Nuclear Age in the United States. Mound-built components are still in the U.S. nuclear weapons stockpile protecting us as a deterrent to attack from other nuclear powers. Mound-built components went with NASA to the moon, Mars and Jupiter reliably powering their instruments and keeping them at operational temperatures. They are still continuing in the same vein to Saturn, the outer reaches of the solar system and beyond.
The Mound Science and Energy Museum collects, preserves and makes publicly accessible the remaining heritage of the Mound Laboratory, its workers and its site.
The Mound Science and Energy Museum Association (MSEM) is a non profit organization (currently approximately 200 members) supporting that effort. Presently, MSEMA's membership is regionally dominated, but some members reside throughout the nation. Most are former Mound/Dayton Project employees, their spouses or their descendants. Plans to increase and diversify the membership significantly are underway.
The MSEMA's Vision
To interpret the Nuclear Age through the lives, the work and the communities of Mound employees in the Miami Valley.
The MSEMA's Mission
- Preserve artifacts, printed documents, graphic materials, etc., related to Mound's heritage
- Communicate to local and wider constituencies the historical importance of the work and achievements of Mound and its Dayton Project predecessor
- Be a source of scientific/technological information and expertise for local schools, colleges, research units and other agencies and individuals
- Participate with local, regional and national entities on projects of mutual interest.
The MSEM intends to accomplish these goals through the development of a regional museum devoted to the Nuclear Age. The Museum will chronicle this Age through the lives, work and community of Mound employees. Since the
Mound site itself was critical to the success of Mound's mission, it is of great importance to have the Mound Museum permanently located on the Mound site.The MMA intends to accomplish these goals through the development of a regional museum devoted to the Nuclear Age. The Museum will chronicle this Age through the lives, work and community of Mound employees. Since the Mound site itself was critical to the success of Mound's mission, it is of great importance to have the Mound Museum permanently located on the Mound site. At present, the Mound Museum occupies a building which originally was Mound's Guard Headquarters and is now one of only two original buildings remaining on site.Various concepts are under consideration to provide for the Museum's present and future needs.
Board of Trustees:
- Raymond Seiler, President
- Paul Lamberger, Vice President
- R. C. Herman, Treasurer
- Wanda DeGroat, Secretary
- Wayne Amos, Director
- Kenneth Foster, Emeritus Director
- Richard Flitcraft, Emeritus Director
- Douglas Gabriel, Emeritus Director
- Bernard Kokenge, Director
- George Mahfouz, Emeritus Director
- Gary Morris, Director
- Donald Agee, Director
- Todd Music, Director
- Kenneth Phipps, Director
- Don Sullenger, Director
- Emma M. Vest, Emeritus Director
Contact and Meeting Information:
Mound Science and Energy Museum Association
1075 Mound Road,
Miamisburg, OH 45342,
Hours open to the Public:
Tuesdays: 1:00 PM – 3:00 PM
Saturdays: 9:00 AM – 12:00 PM
Monthly Public History Events: 4th Wednesday, 7:00 PM
Free Admission to All Events
If you would like to become a member of the Mound Science and Energy Museum (MSEM), please fill out the application and send it to:
Mound Science and Energy Museum
1075 Mound Road,
Miamisburg, OH 45342

source: HuggingFaceFW/fineweb-edu


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The decision to close La Porte ISD schools or to change the start time of classes is made by the Superintendent.
A closing may occur when:
- Bad weather conditions exist.
- Hazardous driving conditions exist.
- Chemical or hazardous materials spill or contamination has occurred.
Students, parents and employees are encouraged to listen to the following radio/television stations for the latest school closing or class delay information:
- KTRH 740 AM (Official emergency notification station for Houston area)
- KHOU-TV Channel 11 (CBS)
- KRIV-TV Channel 26 (FOX)
- KPRC-TV Channel 2 (NBC)
- KXLN-TV Channel 45 (Spanish)
- KTRK-TV Channel 13 (ABC)
- Text Alerts/Apps:
- LEPC (for evacuation notices, chemical incidents, and major road closures)


Channels ▼
Developers Urged To Ready Apps for iOS 4.3 Beta
Apple has released the iOS 4.3 beta and SDK beta 3 for its iOS mobile device operating system. Available through the company's iOS Dev Center, this release sits alongside Apple's developer resources on this programming portal, which also includes getting-started videos, coding how-to's, and sample code. Each release of iOS typically brings with it a hint of features soon to be found in Apple's upcoming product releases. The new OS itself promises the ability to stream live video to Apple TV using AirPlay, as well as iAd full-screen banners and HTTP Live Streaming statistics.
Initial reports have suggested that iOS 4.3 will brings four and five finger gesture recognition to the iPad, but early video demos appear to show that this will mean more of a "swipe of the complete hand" rather than anything more complex and multiuser based — although a new "pinch to select Home Screen" option will no doubt be appealing for many users.
While Apple's AirPlay exists to stream video from an app to a widescreen TV using new Media Player APIs, latest developments with AirPlay are said to now embrace video streaming from third party applications for iOS 4.3. There is also a personal hotspot feature for attention grabbing full screen iAd banners on the iPad. Apple wants to give developers the option to provide what it calls an "immersive and interactive iAd experience," with developers themselves creaming 60% of the advertising revenue collected.
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3. Micro:bit Custom Images¶
Quick Overview of Day
Learn how to create your own custom Micro:bit images. Continue working on creating a Micro:bit game, making sure to create at least one fruitful and one non-fruitful function.
3.1. Creating Custom Images on the Micro:bit¶
We have seen that we can display many built-in images on the Micro:bit. You can display any of the built in images (see the List of Pre-Defined Images) by doing something like:
import microbit microbit.display.show(microbit.Image.HAPPY)
What if you want to create your own images? The way an image is created on the Micro:bit is by making a string that represents each LED/pixel on the Micro:bit. For each LED, you need to set the value to be a number from 0 to 9, which is the brightness of that LED. Setting the brightness to 0 means that LED should be off, while setting the brightness to 9 means turning it on as bright as possible. Any number in between will set the LED to be turned on somewhat bright, where 1 is the least bright, and 8 is almost the brightest.
The following code creates an image of the side of a die, and displays it on the Micro:bit:
import microbit dice = microbit.Image("33333:39093:30003:39093:33333") microbit.display.show(dice)
Although we can figure out what is going on in the above code (each row is separated by a
:), it would be nice to improve the readability of creating our own images. One way we can do this is to use concatenation to join a number of strings together. Consider the following:
Recall that the
+ operator means concatenation (think join) when used on strings. Python gives us a second way to concatenate two strings together, as follows:
The purpose of using this second style of concatenation is simply to increase the readability of your code. It would be a poor decision to use this style in the example above, but it is a great choice when we think back to how we might come up with a customized image for the Micro:bit to display. Consider the following, which accomplishes the same task of making and displaying a boat image:
import microbit # using the \ character at the end of a string tells Python to # keep looking for more of the string on the next line, and # concatenates the strings automatically for you dice4 = "33333:" \ "39093:" \ "30003:" \ "39093:" \ "33333" the_roll = microbit.Image(dice4) microbit.display.show(the_roll)
If you would rather not teach/use another method of concatenation, you could also accomplish the same thing by creating a fruitful function that combines multiple strings together for you, as follows:
import microbit def create_microbit_image(row1, row2, row3, row4, row5): """Takes in 5 strings, each containing 5 integers. Returns an image that works on the micro:bit""" combined_string = row1 + ":" + row2 + ":" + row3 + ":" + row4 + ":" + row5 custom_image = microbit.Image(combined_string) return custom_image line1 = "33333" line2 = "39093" line3 = "30003" line4 = "39093" line5 = "33333" the_roll = create_microbit_image(line1, line2, line3, line4, line5) microbit.display.show(the_roll)
create_microbit_image() fruitful function defined above allows us to pass in 5 strings, each containing 5 integers representing the brightness of an LED. Organizing our code in this way allows us to visualize what the image will look like, simply by looking at the code.
3.2. Work Time on Assignment¶
Continue working on your current assignment (focused on creating fruitful and non-fruitful functions).


A new way to monitor and individualize your fluid therapy plan
A new way to monitor and individualize your fluid therapy plan
Recent findings point to new ways to monitor fluid therapy perioperatively and to gear fluid therapy protocols to each individual animal.
Feb 01, 2013
In this final article of the series, I discuss advances in monitoring fluid therapy, and I describe a more individualized and goal-directed approach to tailoring intravenous fluid therapy based on an animal's needs before, during, and after surgery.
Traditional methods for monitoring perioperative intravenous fluid administration are not reliable.1 Other than increases in postoperative body weight, there have been few accurate indicators of excessive fluid administration.2 Traditional static methods for monitoring fluid therapy, such as central venous pressure (CVP), ventricular end diastolic pressure, and pulmonary capillary wedge pressure, have been shown to be unreliable and generally late indicators of changes in blood volume, fluid responsiveness, and fluid overload (see sidebar "Perioperative fluid therapy dilemmas" in Rethinking your approach to perioperative fluid therapy).1,3-6
Trends in cardiac filling pressures, including CVP, can indicate when too much fluid is administered too quickly but are very dependent upon concurrent changes in heart rate, ventricular function, and venous capacitance, which are frequently altered by disease and anesthesia.1,3
A new method
1. PVI is a noninvasive method to determine both the need for and the response to fluid therapy. It is based on the pulse oximeter plethysmographic (pleth) pulse pressure waveform. The Masimo pulse oximeter uses the pleth variability index (PVI) to monitor fluid responsiveness during anesthesia.
Dynamic variables (indices evaluating the response to cyclical changes in venous return, or preload) are more predictive of fluid responsiveness. Among these, arterial pulse pressure variation induced by assisted (manual) or mechanical ventilation has been demonstrated to be a specific and sensitive guide to fluid therapy.6,7 Respiratory variations in the amplitude of the noninvasively recorded pulse oximeter-derived plethysmographic (change in volume) pulse pressure waveform have been shown to predict fluid responsiveness.6,8
The plethysmographic variability index (PVI) measures the dynamic changes in perfusion index (PI) over respiratory cycles and is calculated as follows:
PVI = (PImax – PImin)/PImax × 100
The PVI is accurate and far less expensive than esophageal Doppler measurement of variations in stroke volume.4 The greater the PVI, the more likely the patient will respond to fluid administration.
The use of PVI-based goal-directed fluid management in surgical patients reduces the volume of intraoperative fluid infused and decreases intraoperative and postoperative lactate concentrations.8 PVI was less accurate in predicting fluid responsiveness during spontaneous breathing than during mechanical ventilation, but PVI was still better than CVP, at least in people.9
An automatic PVI measurement
The Masimo pulse oximeter (Masimo Corp.) uses an algorithm to continuously quantify changes in pulse volume (i.e. PVI) (Figure 1). PVI is better than CVP for determining the animal's response to fluid therapy.6
Table 1: Changes in PVI* after intraoperative fluid administration
Clinical evaluation of PVI in dogs and cats suggests that PVI values above 20 indicate hypovolemia and a need for fluid replacement therapy. Data collected from 113 dogs and 12 cats given fluid boluses (ranging from 3 to 15 ml/kg over 10 to 15 minutes) to treat intraoperative hypotension showed improvement in the animals' palpable arterial pulse and peripheral perfusion and a decrease in PVI (Table 1). Of these animals, 23 dogs and three cats did not respond to fluid administration and required administration of a catecholamine (e.g. dopamine, norepinephrine). Clearly, this monitoring modality requires further evaluation in both dogs and cats.
Keep in mind that not all animals respond (show a decreased PVI) to fluid administration (volume expansion). Sick, depressed, and debilitated animals; animals with reduced cardiac function due to acquired disease; or animals that are overly depressed by anesthetic drugs may not be capable of increasing cardiac output when venous return (preload) increases.4,5,9-11


Is it good to eat at night during pregnancy?
Eat an evening snack. Choose a light grain-and-dairy snack, such as crackers with low-fat cheese and fruit, or low-fat yogurt with toast and apple butter. Wait an hour before lying down. These healthy pregnancy foods will digest quickly so you (and your stomach) can rest.
What should I eat at night during pregnancy?
Healthy evening snacks for pregnancy
 - Whole grain cereal with milk. The combo of complex carbs and protein will help you feel sleepy. …
 - Cottage cheese with raspberries. …
 - Whole wheat peanut butter toast with a banana. …
 - Warm milk with cinnamon. …
 - A handful of walnuts.
2 июн. 2020 г.
Is it normal to be hungry at night during pregnancy?
But as your body works harder to make the most of your calorie intake, it's not surprising if you wake in the night feeling hungry.
Is it bad to eat before bed while pregnant?
7) Eat Lightly If Eating Before Bed
IT IS INTERESTING: How do I unclog my pores during pregnancy?
Eat a healthy dinner to keep cravings under control. If necessary, eat a small snack like a piece of fruit or handful of nuts two or three hours before bed. This gives your body time to digest while still providing enough calories to get you through the night.
Is it bad for a pregnant woman to sleep late at night?
In one research study, pregnant women who slept less than six hours at night late in pregnancy had longer labors and were more likely to have cesarean deliveries. Another study reports that the sleep you get in your first trimester can affect your health in the third trimester.
Can I eat chips while pregnant?
Consuming chips during pregnancy can potentially harm the baby's health and increase the risk of the baby being born with low birth weight.
How many hours should a pregnant woman sleep?
Mothers-to-be should spend at least eight hours in bed each night so they can get at least seven hours of sleep. Being pregnant can be a tiring experience for a woman's body.
Does starving affect pregnancy?
Our findings support the notion that maternal starvation can affect ovary development in the offspring that could adversely affect their reproductive success in the adult life.
Can being too full hurt the baby?
How do you know if your baby is hungry while pregnant?
-If your baby is awake and alert then it is a clear sign he or she wants food. -Babies try to get your attention by moving their body rapidly. They will throw their legs and arms all around. -If your little one is constantly putting his or her fingers into the mouth then it is a sign that you need to feed them.
IT IS INTERESTING: Is watermelon good for first trimester pregnancy?
How long can I go without eating while pregnant?
Don't go more than two or three hours without eating
"If you don't fill the tank frequently, you can bottom out," says Ricciotti.
Can a pregnant woman drink water at night?
Can I eat ice cream while pregnant?
Can I eat ice cream while pregnant? While pregnant women should avoid homemade ice cream (because it might contain raw eggs, and the risk of salmonella contamination), store-bought ice cream is generally safe.
Is it OK to sleep all day when pregnant?
Sleeping for more than nine hours per night, without disturbance, during pregnancy may be associated with late stillbirth, according to US researchers.
Is it OK to sleep a lot during pregnancy?
Actually, you may sleep more than usual during the first trimester of your pregnancy. It's normal to feel tired as your body works to protect and nurture the developing baby. The placenta (the organ that nourishes the fetus until birth) is just forming, your body is making more blood, and your heart is pumping faster.
Which fruits should avoid during pregnancy?
Fruits to Avoid During Pregnancy Diet
 - Papaya– It tops the list for obvious reasons. …
IT IS INTERESTING: Is smoked salmon safe when pregnant?
Baby Advice


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Digital Post-Production Masterclass, May, Rotorua
This two day workshop is for people who are already competent users of Photoshop (CSx) and have some knowledge of Adobe Photoshop Lightroom.
Workshop will initially focus on ways in which the two applications work together. A core component of the workshop will be developing a digital asset management plan. Issues to be covered will include:
- Digital asset management
- Strategies to backup, archive and retrieve stored files
- The importance of keywording and keyword sets
- Hardware issues, including storage and retrieval
- Maintaining your computer in optimum condition
The remainder of the workshop will focus on advanced techniques including:
- Sharpening and creative sharpening (global, local, edge, mid-tone, and high pass) and ways to apply these creatively. The subtext will be the philosophy of sharpening, including how we perceive sharpness and how to apply this intelligently to an image.
- How to obtain the maximum possible resolution from an image, and the difference a tripod can make, including how to analyse an MTF curve, why you never want to shoot above f8, and how to avoid the "Valley of Death".
- How to extend depth-of-field in a photograph without encountering lens diffraction
- HDR-how to use it intelligently and realistically; how to shoot and post-produce it.
- Creative use of layers and layer masking
- Noise reduction techniques and their intelligent use
- Using plug-ins to extend the creative potential of Photoshop
- The importance of the.dng format
Workshop participants will need their own copies of Lightroom and Photoshop CSx, camera equipment and a desktop or laptop.
Limited to 12 places.
For further information and to reserve a place please contact:


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Expression.Power Method (Expression, Expression, MethodInfo)
Creates a BinaryExpression that represents raising a number to a power.
Assembly: System.Core (in System.Core.dll)
public static BinaryExpression Power( Expression left, Expression right, MethodInfo method )
left or right is null.
method is not null and the method it represents returns void, is not static (Shared in Visual Basic), or does not take exactly two arguments.
method is null and the exponentiation operator is not defined for left.Type and right.Type.
method is null and left.Type and/or right.Type are not Double.
The resulting BinaryExpression has the Method property set to the implementing method. The Type property is set to the type of the node. If the node is lifted, the IsLifted and IsLiftedToNull properties are both true. Otherwise, they are false. The Conversion property is null.
The following information describes the implementing method, the node type, and whether a node is lifted.
The following rules determine the implementing method for the operation:
If method is not null and it represents a non-void, static (Shared in Visual Basic) method that takes two arguments, it is the implementing method.
Otherwise, if the Type property of either left or right represents a user-defined type that overloads the exponentiation operator, the MethodInfo that represents that method is the implementing method.
Node Type and Lifted versus Non-Lifted
If left.Type and right.Type are assignable to the corresponding argument types of the implementing method, the node is not lifted. The type of the node is the return type of the implementing method.
If the following two conditions are satisfied, the node is lifted and the type of the node is the nullable type that corresponds to the return type of the implementing method:
left.Type and right.Type are both value types of which at least one is nullable and the corresponding non-nullable types are equal to the corresponding argument types of the implementing method.
The return type of the implementing method is a non-nullable value type.
For a list of the operating systems and browsers that are supported by Silverlight, see Supported Operating Systems and Browsers.


It is easy to fish crabs
Have you tried to catch crabs and do you know how to do this?
If you are by the water near a bathing bridge boat bridge, then you are right where you can catch crabs, because they live in the seaweed around the bridge posts. You can also find them around the poles at the pier or under the big rocks that are laid out to break the waves.
It's just getting started. The only thing you need is a string that you tie on the stick that will be your fishing rod and a cloth clamp that you attach to the end of the string along with a small stone. The cloth clamp must keep the bait and ensure that the crab comes up. You must also have a bucket to store the crabs in. The bait can be mussels from the shore edge or a little topping from the fridge.
If you are fishing with mussels, you must punch the shell or open it in some other way so that the crab can get hold of the mussel.
When you feel that there are bites, it is about pulling the cord gently and getting the crab down into the bucket. The crabs can do well without water for a couple of hours, but then they must be released and they are not long to find the water again.
Enjoy the crab fishing!
Kategorier: Junior Fisker


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What is Sekolah Bogor Raya?
Sekolah Bogor Raya is Bogor's leading "National Plus" school. Founded in 1995, we provide both locally and internationally accredited curricula in a green and pleasant environment in the picturesque Bogor Lakeside residential complex, near the main Bogor Toll exit.
Vision & Mission
- To be a leading international standard school providing high-quality education to equip our students to excel in a rapidly-changing world.
- Sekolah Bogor Raya exists to provide international standard education to our students. Through a commitment to English Language fluency, technological expertise, and inquiry-based teaching and learning, we deliver an international program that integrates global concepts with respect for national culture and identity.
- Play Group & Kindergarten (PG/TK)
- Primary Years Programme (PYP), for students aged 3 to 12, focuses on the development of the whole child as an inquirer.... read more
- Primary School (SD)
- This is a challenging programme that demands the best from both motivated students and teachers.... read more


> > Think-Pair-Share: Analyzing changes in supply & demand and predicting impacts on equilibrium
This page authored by KimMarie McGoldrick, University of Richmond
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In a think-pair-share activity, students first work independently to demonstrate graphically how events change supply and/or demand in specific markets and explicitly describe the adjustment process from the original to a new equilibrium. Students are then paired to share and revise their answers before being randomly chosen to report answers to the larger class.
 - This exercise is designed for a principles of microeconomics course; however, instructors reviewing supply and demand concepts in any course might find them equally useful.
 - Follow up exercises are provided so that instructors might engage students with additional problem solving outside of class or develop additional cooperative learning exercises on these and related supply and demand concepts.
Learning Goals
Identify factors which shift supply and demand (Proficiency: accessing existing knowledge).
Translate context specific events into such factors.
Analyze market outcomes such as changes in equilibrium price and quantity (Proficiency: displaying command of knowledge).
Follow up exercises are provided which cover other key components of the supply and demand chapter including mathematical solving for equilibrium and the calculation of consumer and producer surplus.
Context for Use
Knowledge required: This exercise is intended to be administered after a standard chapter on the market (covering supply, demand and equilibrium) is covered by the instructor.
Class size: This exercise was originally designed for a class of 25-30 students, but it can be easily adapted for smaller or larger classes.
Time required: The exercise is designed to take a total of 20 minutes.
Description and Teaching Materials
Two handouts are provided to support this exercise. The Student Handout for Supply and Demand Exercise (Microsoft Word 2007 (.docx) 19kB Jun4 12) includes instructions for the think-pair-share exercise. Answer Key for Supply and Demand Exercise (Acrobat (PDF) 63kB Jun4 12) is a detailed answer key for the exercise.
Teaching Notes and Tips
Conclusion to exercise:
Reporting back to the larger group can be facilitated by tossing a soft ball to a random pair and asking them to share part of their answer. Depending on time constraints, students can be asked to orally describe shifts in supply and/or demand and the resultant outcomes, or they may be asked to come to the board and replicate their graph as well. Thereafter, students toss the ball to another pair to share a remaining part of the exercise. This process continues until all parts of the answer have been covered.
Further considerations:
The main exercise is applicable to all institution types and levels. Follow up exercises are similarly applicable with, perhaps, the exception of one problem which requires a mathematical solution for equilibrium.
References and Resources


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O) from normal condensation, and the oxidation process accelerates even faster. When moisture is present in the lubrication system, the level of oxygen available to mix with hydrocarbons in the lube oil is raised dramatically. The presence of normal solid and moisture contamination, combined with maximum operating load of the equipment, will produce high oil oxidation rates, even with normal oil temperatures. In order to control the oxidation process, the GCF PM Program recommends By-Pass filtration products that can control the levels of moisture, wear metals and other solid contamination. By removing this contamination, the oil will offer a better seal between the rings and liners and therefore reduce the amount of blow-by during the combustion process. Blow-by contributes to the amount of oxygen and moisture within the engine.
Once we have removed the contamination which acts as catalyst to accelerate the oxidation process and have offered a cleaner oil to seal the engine, then we are left with MINIMAL OXIDATION for the additive package of the oil to contend with. The engine will use a certain amount of oil each operating day. Combine this amount of new oil with the amount added at the time the By-Pass Filter is serviced, and the engine will maintain a sufficient amount of active additives to keep oxidation in check indefinitely.
b) Nitration: The combustion chambers of engines provide one of the few environments where there is sufficient heat and pressure to break the atmospheric nitrogen molecule down to two atoms that can react with oxygen to form nitrous oxides (NOx). When nitrogen oxide products enter the lube oil through normal blow-by, they react with moisture present in the lube and become very acidic and rapidly accelerate the oxidation rate of the oil. Proper By-Pass Filters can control the effects of nitration in the same ways it controls oxidation. By delivering cleaner oil to offer as a seal between the ring and liner, blow-by of NOx components are kept to a minimum. Also, the GCF Filter keeps the oil chemically dry and prevents the mixing of NOx and moisture, which controls NOx acid formation and accelerated oxidation of the oil.
c) Acid Formation: Acids are formed within the lube by several sources. We have already covered two of them in the form of acids formed from oxidation and nitration. In most all forms of fuel for internal combustion engines, trace amounts of sulfur are present. Sulfuric acid is formed within the lube oil when sulfur molecules react with oxygen in the combustion chamber to form sulfur oxides. These sulfur oxides are then blown past the rings and enter the oil. Here the sulfur oxides mix with moisture to form the highly corrosive sulfuric acid. It is next to impossible to remove trace amounts of sulfur from fuels by filtration. However, it takes two components to make the sulfuric acid, sulfur oxides and water. By using UF By-Pass filters that utilize absorbent type filter media, such as cellulose (paper) or cotton, the TBN (Total Base Number) of the oil stays up and the TAN (Total Acid Number) remains low.
After taking a look at all of the types of contamination and the effects they can have on an engine if left unchecked, I think that you can now see why the use of UF By-Pass filters is so important. When using these filters, one can remove and control contamination within the engine. Once this contamination is removed from the system, lube oil drain intervals can be greatly extended.
After understand above facts, we recomend our TYA vacuum lube oil purifier machine, which can solve the oil "wear out" problem, it is more economical compare with replacing new lube oil, because oil cost is higher everyday.
To improve transformer oil, insulating oil dielectric strength, making less trace moisture content, gas content, dielectric loss factor and other indicators, before pumping transformer oil into the tank must be preceded by a rigorous treatment, the effective removal of oil in the water, gas and impurities. In practice applications, we have for different types of transformer oil, insulating oil using different forms of oil filter for targeted treatment, results were better.
1. For the general transformer are impurities, water and dust contaminated transformer oil, you can use the JL pressure transformer oil filter, through a series loop filter, is usually able to meet the requirements. Its principle is to use oil filtering paper to absorb moisture, filter impurities. Advantage is a subtle effect of impurity removal is good, its simple structure, convenient maintenance, reliable operation, easy handling, so widely used. The disadvantage is that water filters are not thorough; it only applies to low-voltage level of transformer oil, insulating oil filtration.
2. Now generally used a vacuum oil purifier (there are ZY single stage vacuum transformer oil purifier machine ZYD double stages vacuum transformer oil purifier), it can not only completely remove the oil water and gas, but also can effectively remove small impurities. The process is: when dealing with coarse filtration of transformer oil → → → heating oil fine filtration vacuum degassing → Absolute dehydration. Coarse metal mesh filter and strong magnets, fine filtration is usually 1 ~ μm micro-filter impurities. At present many different types of fine filters, sintered metal powder material, metal microporous materials, ceramic filter media and the use of special structure of filter paper filter core and so on.
Transformer oil heating degassing vacuum dehydration. The principle is that the vacuum inside the tank, the heating of transformer oil with the formation of oil mist spray approach, leaving the oil in the gas and water escape. Oil temperature around 60 ℃ in general, not too high so as to prevent aging of transformer oil. This approach dehydration degassing effect is better, is more commonly used methods.
If the oil is sprayed into the oil has a certain diameter beads, the beads due to higher oil interfacial tension, making the oil water and gas within the beads difficult to bring into full play. To this end, the diameter of injection holes to choose appropriate, and generally taking the time to be in the tank set up with a few baffles the mouth to prevent the transformer oil is pumped vacuum.
At present, foreign and domestic has also adopted a more advanced membrane dehydration degassing method is to make the oil into the tank, through a degassing components formed after the thin oil film, and has always been to film the entire process of degassing state of complete dehydration, thus making the water in oil and gas easier to remove.
3. Badly contaminated transformer oil filter/oil regeneration (Choose our BZ oil regeneration device).Contaminated transformer oil (commonly known as dirty oil), is being mixed with very small impurities and oil molecules combine to form a colloidal contaminated transformer oil, and after years of used transformer oil, the general product release for the repairing of oil (This oil has a very low pH value). Of such waste oil must be used in order to improve the absorption approach to oil targets. Were more commonly used silica (SiO2) or activated alumina (A12O3) as adsorbent. Waste oil processing system in order to ensure full access to silicone and transformer oil, and to facilitate replacement of silica gel, silica gel tank set up in a number of partitions, the silica gel into a small cloth bag within the rotation, not in bulk. After the heating of the transformer oil into the gel tank, do a certain time cycle to its full absorption effect, and then injected into the Absolute through the oil filter tank. In the process should be regularly monitored to determine the absorption effect, when the absorption effect is not apparent that it should consider replacing the silica gel. General silicone oil consumption by weight or about 3% ~ 5%. Waste oil processing system with the new oil-processing systems should be separated to avoid cross-contamination. Loading used waste oil cans, containers, etc. must be thoroughly cleaned before be used for the normal production of the oil system.
The Double-horizontal vacuum evaporation vessels can enlarge evaporation area efficiently. The heater, being places in the vacuum vessels, becomes an evaporator. Thus the evaporation areas of Double-horizontal vacuum vessels are three times more than of the common vacuum vessel. This innovation can dehydrate and degas effectively and separately. This optimal structure of the dehydration (degas) system enlarge the surface area of oil exposed to the vacuum system and extends the flowing distance of the oil in the vacuum system. Thus there has sufficient time to remove the moisture and gas from the oil by vaporization.
The filtering materials with variable apertures are made of specialized glass fiber.the sizaes of the filtering fiber and aperture dwindle gradually in the different filtering stages. The impurities with different particulate sizes are filtered step by step.the capability of removing particulate matters is improved greatly by this method.
The filtering system has stable and perfect filter fineness. The filter fineness has several grades. Including 22.214.171.124.5.6.10. μm etc.
The filtering system is equipped with reverse rinse and filth device.it improves the effectiveness filtering and extends the lifetime of filter awfully
Electrical apparatus controlling system
The main components of the electrical apparatus made by Siemens, Schneider company ensure the safety of the controlling system.having interlocked protective system, pressure protective device which will avoid overload,over voltage,blank pumping,blank heating,oil leak and electricity leak etc.
Oil heating system
The unique effective electric heater structure heats the oil uniformly
Oil heater system assures less than 1.0w/cm2.during the heating process, the deterioration of the oil cuased by overheating is avoided.
The oil temperature can be adjusted between 0℃ to 100℃.the heater is controlled manually or automatically.the heater will stop automatically when the oil temperature reaches a certain degree


Giraldus Cambrensis; Gerald de Barry
Historian, born Manorbeer, Wales, c.1147; died 1220. He was appointed Bishop of Saint David's in 1180, but resigned to accompany Prince John to Ireland, where he remained two years. He visited Rome in a fruitless effort to secure his reappointment to his old see. Giraldus was a writer of remarkable brilliancy. A topography and a history of the conquest, long regarded as authoritative, were severely criticized by Dr Lynch in his "Cambrensis Eversus," 1662, who meets his charges against the Irish people, impeaches his ignorance of their language, unfamiliarity with the country, disregard of chronology, and credulity in accepting popular rumors and unauthenticated narratives.
New Catholic Dictionary
NCD Index SQPN Contact Author


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Bird Watching in Pakistan
The Chukar (Alectoris chukar) is a
Eurasian upland game bird in the pheasant family Phasianidae of the order
Galliformes, gallinaceous birds. Its native range in Asia from Pakistan and
Kashmir, India and Afghanistan. It is closely related and similar to its western
equivalent, the Red-legged Partridge, Alectoris rufa. The Chukar is a rotund
32-35 cm long bird, with a light brown back, grey breast, and buff belly. The
face is white with a black gorget. It has rufous-streaked flanks and red legs.
When disturbed, it prefers to run rather than fly, but if necessary it flies a
short distance on rounded wings. Chukar prefer rocky, steep, and open hillsides.
The Chukar is a resident breeder in dry, open, and often hilly country. In the
wild, Chukar travel in groups of 5-40 birds called coveys. It nests in a
scantily lined ground scrape laying 8 to 20 eggs. Chukars will take a wide
variety of seeds and some insects as food. When in captivity, they will lay 1
egg per day throughout the breeding season if the eggs are collected daily. For
hunters, Chakur is a very challneging bird becuase of its surgical upward
flights and sudden disappearances in the bushes.
Western Tragopan pheasant - Pallas's
Fish-eagle - Greater Spotted Eagle
Pakistan, due to its diverse weather
and varied land is home to some of the rare and exclusive birds in the world.
Its wetlands and lakes attract millions of migratory birds from across the
globe, specially Siberia each year, which besides its own native birds in their
natural habitat in the jungles and mountains, provide an excellent opportunity
to the bird watchers around the world. Western Tragopan pheasant (Tragopan
melanocephalus) is one of the rare species that exists in the northerly
mountains and the Macharia National Park, where it is being bred and chances are
that this beautiful bird will be able to be saved of its near extinction in
Some of the bird sanctuaries and wild
life habitats in Pakistan are as under:-
Park: This park provides refuge to the elusive leopard and
the black bear along with excellent birding.
Gol National Park: The park is the home of the elusive snow leopard
and some interesting birds.
National Park: Birds in the park include Golden eagle, Lammagier
Vulture, Griffon Vulture, Laggar falcon, Peregrine Falcon, Kestrel, Indian
Sparrow Hawk and Snow cock.
Drigh Lake: The lake is an
important breeding and wintering area for a wide variety of water
Lammagier Vulture - Griffon Vulture -
Laggar falcon - Kestrel
Haleji Lake: Asia's
greatest water fowl reserve, Haleji Lake is 70 km (about 52 miles) from
Karachi. During winter, a hundred thousand birds fly down to Haleji from the
cold of Siberia. It is a bird watchers' paradise. Between Bhanbhore and
Thatta, if you turn into the countrylane by the 82km (51/1 mile-furlong stone)
a 6-km long drive will bring you to the largest bird sanctuary of the country,
Haleji Lake. During the winter, migatory birds come to this lake in very large
numbers to the great delight of the bird watchers. You can drive along the 16
km. (10 miles) track around the lake for photography or bird watching.
Ganji Chiltan National Park: In the folds of these mountains, many
species of birds make their homes.
National Park: Dalmatian Pelican (Pelecanus crispus)
Indus Dolphin Reserve and Kandhkot
Wetland: The vast Indus Basin wetland include Common Teal (Anas crecca),
Marbled Teal (Marmaronetta angustirostris), Great Egret (Casmerodius
albus),Dalmatian Pelican (Pelecanus crispus), Little Cormorant (Phalacrocorax
niger), Pallas's Fish-eagle (Haliaeetus leucoryphus), Greater Spotted Eagle
(Aquila clanga), Imperial Eagle (Aquila heliaca), Black-tailed Godwit (Limosa
limosa), Spotted Redshank (Tringa erythropus), Little Stint (Calidris minuta),
Small Pratincole (Glareola lactea), River Tern (Sterna aurantia), Indian
Skimmer (Rynchops albicollis), Pale-backed Pigeon (Columba
Black-tailed Godwit - Dalmatian Pelican
- Mallard - Northern-Shoveler
Kinjhar (Kalri) Lake:
The largest freshwater lake in Pakistan with extensive reedbeds.
National Park: The park is home to some rare species of mammals as
well as a great variety of birds.
Keti Bundar North Wildlife
Sanctuary: Marbled Teal (Marmaronetta angustirostris), Dalmatian Pelican
(Pelecanus crispus), Greater Spotted Eagle (Aquila clanga), Imperial Eagle
(Aquila heliaca), Indian Skimmer (Rynchops albicollis)
Khabbaki Lake: The lake is
important as a staging and wintering area for a wide variety of water
Kheshki Reservoir: A small
storage reservoir, originally created to supply local villages with water, now
popular with birds.
National Park: Watch for birds as the hills move back from the road,
the valley opens out and the river dwindles to a tiny mountain stream with the
odd tuft of grass, willow or birch along its banks
Kandar Dam: A tiny water
storage reservoir (at maximum capacity its area is only 47ha) set in stony
hills to the west of the Indus river.
Suhanra National Park: The park is actually a wildlife sanctuary and
features watch towers and tourist huts. Mallard (Anas platyrhynchos), Northern
Shoveler (Anas clypeata), Pallas's Fish-eagle (Haliaeetus leucoryphus),
Greater Spotted Eagle (Aquila clanga) and Imperial Eagle (Aquila heliaca) are
some of the birds that can be seen here.
Imperial Eagle - Indian Skimmer - Common
National Park: Located in the Azad kashmir, this park of special
significance since here rare breeds of pheasants, specially the Western
Tragopan pheasant (Tragopan melanocephalus) is bred and efforts are at hand to
save this beautiful bird from extinction.
Malugul Dhand: A shallow,
brackish lake formed by seasonal flooding of a "dead arm" of the Kurram
Mangla Lake: Mallard (Anas
platyrhynchos), Common Teal (Anas crecca), Marbled Teal (Marmaronetta
angustirostris), Common Pochard (Aythya ferina) and Tufted Duck (Aythya
fuligula) are some of the birds that flock the vast blue waters of Mangla Dam
Marala Game Reserve: Mallard
(Anas platyrhynchos) and Common Teal (Anas crecca) can be seen
Hills National Park: Park provides an excellent opportunity for bird
Naran Reserve Forest to
Saif-ul-Maluk Lake: The clear blue water of the lake, surrounded by snoa
covered "Malka Parbat" mountain attract White-cheeked Tit (Aegithalos
leucogenys), Brooks's Leaf-warbler (Phylloscopus subviridis), Spectacled Finch
(Callacanthis burtoni) and Orange Bullfinch (Pyrrhula aurantiaca) each year.
Nothing could be more awe inspiring than watching birds at 12,000
Brooks's Leaf-warbler - Spectacled Finch
- Ruddy Shelduck
Palas Valley: The
temperate forest in this high valley supports around 325 pairs of the very
rare and beautiful Western Tragopan, along with a number of other west
Rann of Kutch Wildlife
Sanctuary: The endless marshes of Rann of Kutch on the border of India and
Sind Province of Pakistan are home to Ruddy Shelduck (Tadorna ferruginea),
Common Shelduck (Tadorna tadorna), Eurasian Wigeon (Anas penelope), Northern
Shoveler (Anas clypeata), Northern Pintail (Anas acuta), Common Teal (Anas
crecca), Greater Flamingo (Phoenicopterus roseus), Indian Vulture (Gyps
indicus), Sarus Crane (Grus antigone), Common Crane (Grus grus), Pied Avocet
(Recurvirostra avosetta), Kentish Plover (Charadrius alexandrinus),


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I thought this was a fun little point. Boeing's trying to work out the effect of Wi-Fi on airplanes. Obviously a fairly important thing to be doing. We all want to be able to use Wi-Fi, but there's a worry that it might have an effect on the systems that control the plane. Which would not be good if a version of Angry Birds got into the flight navigation computer for example.
So, in order to do this Boeing loads up a plane with bags of potatoes. No, really:
Boeing has hauled in around 20,000 pounds of potatoes to use as human substitutes during its tests with airplane WiFi. The aircraft maker is checking that onboard wireless signals don't interfere with navigation and communication systems. Groaningly titled SPUDS (Synthetic Personnel Using Dielectric Substitution), the tubers apparently replicate how airborne signals are bounced and absorbed by real-life passengers, but without the need for Boeing to offer complimentary snacks or tiny drinks during testing.
You can see Boeing's video here.
But why potatoes? Why not mannekins, which would be the same shape as people? Or if vegetables are important, cabbages or carrots say?
The answer is, about the mannekins, that we're trying to find something that looks similar to a human being for radio waves, not light waves. So it isn't the shape that we're really interested in. As far as radio waves are concerned (yes, I know they're the same thing as light waves, just a different wavelength) a human being is really a slightly solid bag of water. Water with a bit of stuff in, some proteins, carbohydrates, that sort of stuff. And so is a potato. So as far as radio is concerned a potato looks more like a human than a mannekin does.
As to the other veggies possible: potatoes are cheap.


text: We leave Trygghamna early in the morning and sail to the north side of Bellsund. Bellsund is a fjord system with two major branches (Van Mijenfjord, Van Keulenfjord) and one smaller side bay (Recherchefjord). The geology is fascinating and has created amazing landscapes, such as the long, narrow island of Akseløya that blocks Van Mijenfjord almost completely. In Fridtjovhamna, the calving glacier Fridtjovbreen is surrounded by picturesque mountains. The rich wildlife of the area has attracted hunters throughout several centuries - we will walk in their footsteps and see remains of their huts - for example, at Ahlstrandhalvøya. Recherchefjord is one of the places in Spitsbergen with the highest concentration of historical sites, dating back to 17th century whalers and the mining period of the early 20th century. The glacier Recherchebreen ends at a lagoon, likely to be frozen in October, with many smaller icebergs. Polar Bear are likely to be present anywhere in the Bellsund area, and we will keep a keen watch to find them. We have also seen Beluga (white whales) in this area.


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Art & Music
- Bi-Weekly Liturgical / Choral / Music Appreciation class for Kindergarten – 8th Grade.
- Bi-Weekly Music Theory / Performance class for 4th Grade while learning to play the Recorder.
- Bi-Weekly Music Theory / Performance class for 5th Grade while learning to play the Ukulele.
- Bi-Weekly Music Appreciation / History class for 6th – 8th grades.
- All students will learn and perform an original Christmas Program written and directed by our teachers.
- Students in 4th – 8th grade can volunteer to join the Saint Andrew Children's Choir. The choir meets once a week for practice, then leads the music each week at mass.
- Students also have the opportunity to take private piano, guitar or ukulele lessons after school.


What is "Techo-Paganism"?
Techno-paganism (or "technopaganism," or even sometimes "techno-shamanism/technoshamanism") is not a strictly-defined term. In general, it refers to the intersection of spirituality and technology; although this may happen in any number of fashions.
For some, they use the tools of technology to approach their own belief system. For others, technology itself is the focus of their mysticism.
Quoting from the wiki entry:
"Technopaganism has a number of distinct definitions found in various discourse:
* The use of modern-day devices in magical ritual. This can include the substitution of technology for traditional magical tools, such as using their oven for a hearth, keeping a "Disk of Shadows" instead of a "Book of Shadows", and using a laser pointer as a wand. In other practice, technology is the target of the magical work, such as the use of stones and other charms to help improve the performance of mundane items or online role-playing avatars.
* Modern tribal/urban primitive movements such as urban shamanism and rave culture. This is often used in association with electronic dance music.
* An emergent trend in neopagan thought that deals with spiritual and magical facets of technology and technological society. Associated with this is the use of technological metaphors (most often computer and/or telecommunications metaphors) to describe spiritual phenomena, as well as the use of symbolism from popular culture in spiritual contexts."


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Geochemistry is a science in which we collect samples of natural things – rocks, shells, feathers, bits of wood, teeth – and then measure some aspect of their chemical makeup to learn something about the world. Geochemistry can be used to learn about the organisms whose parts are being analyzed; for instance to figure out what they ate (the old adage "you are what you eat" is true here—many times a distinct chemical signature comes with eating certain food items). It can also be used to learn something about the environment in which an organism lived or a rock formed.
|Requisite beautiful-coral-reef shot. Kiritimati Island|
Corals are, by geochemistry-practitioner standards, awesome. For one thing, corals make their skeletons out of chemicals in seawater—as the water chemistry changes, so does the chemistry of the skeleton. Second, corals grow larger over time by adding new layers onto their skeletons, while the old skeleton often just sits there as a semi-permanent record of conditions at the time that bit of skeleton formed. This is like keeping track of daily weather on slips of paper added to a pile—you can then dig back through the pile to see how things have changed over time.
Third, corals also have a built-in time-stamp on these records: the density of the skeleton fluctuates with the seasons, leaving bands that can be seen by x-ray or CT scan in samples (see my earlier post). For coral samples collected live, these bands can be counted back in time; corals that are dead can be dated using another aspect of geochemistry: the amount of a particular radioactive element that decays at a known rate can be measured to back-calculate how long ago that coral was alive.
The fourth excellent/horrible thing about corals is this: while they sometimes act as passive recorders of water chemistry, both the density and the chemistry of the skeleton can also be affected by other things – notably how happy the coral is (corals that are heat-stressed "bleach" by expelling their colorful symbiotic algae, which screws with skeletal growth and chemical incorporation). Other aspects of coral biology such as spawning or food intake also can change the chemical signature.
If all of the different influences on the coral skeletal chemistry can be disentangled, there is fantastic potential for long reconstructions of both the environmental conditions in which the coral grew and the coral's reactions to those conditions (over the last few100s of years, or even longer if dead corals are also used).
But that's the hard part: disentangling. For one reason, we keep thinking that we know what controls each chemical signature (and this is the "royal we," including me and other scientists), and then we figure out that it's more complicated: we thought the concentration of strontium was a direct, unbiased measure of water temperature; now it seems that this is also very slightly affected by the skeletal growth rate. We also thought that the ratio of two different isotopes of oxygen in the skeleton was only controlled by water temperature and salinity (isotopes are different forms of the same element that behave the same chemically but have very slightly different weights), but then we figured out that calcification rate also matters.
|Not totally happy coral|
And here's where our work comes in: faced with weird oxygen isotope data that couldn't physically be explained by any combination of water temperature, salinity, or calcification, we knew there must another as-yet-unidentified impact at play. What we saw was a big jump in the baseline of the data after a major coral bleaching event.
Now, a quick tangent: coral bleaching is an extremely worrying phenomenon. Corals get most of their nutrition from the symbiotic algae they house in their tissues; when bleached, they can starve to death or become more susceptible to disease. With global water temperatures increasing, coral bleaching is becoming more frequent. The big question in the survival of coral reefs as we know them is therefore: can corals adapt?
One way corals might be able to adapt to warmer waters is by kicking out "weak" forms of symbiotic algae and trading them for genetic strains that are more resistant to heat stress. This is called the "adaptivebleaching hypothesis"—the idea being that by acquiring more heat-tolerant symbionts, corals can survive the onslaught of climate change (at least for a while).
Our data might be a reflection of this very phenomenon. If the symbionts the corals housed before the bleaching event were physiologically different than those after, maybe the skeletal chemistry would be different.
There has been a lot of activity lately from scientists trying to understand the nitty-gritty workings of coral calcification. We were able to synthesize this work and put forward a potential mechanism that could cause our observations (based mostly on a change in pH at the calcification site).
We also tried to test the idea directly by collecting lots of little nubbins (possibly the best technical term ever) of live coral. We identified their symbionts using DNA methods (and here "we" means my colleague Melissa Garren), and then the corresponding oxygen isotope values. What we found was a hint of a relationship—so we didn't disprove our hypothesis.
|Our "nubbins" were essentially mini-core samples from large corals|
This area of research still needs more work, but it is exciting; if this signature is real, it could be used to retrospectively test for adaptive bleaching in other corals during other bleaching events. This is important to predict the outcome of bleaching events and manage coral reefs as we face increased heat stress. If corals can adaptively change symbionts, can we help them do this? Can we more effectively manage outplanting and reseeding efforts to restock damaged reefs?
I hope that this paper stimulates new ideas and more projects to help answer these questions.


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Pitching Tips: Gripping The Ball
Gripping the ball properly may seem fundamental, but many young players make mistakes when gripping the baseball. Teach your players that holding the ball in their fingertips - as opposed to jamming it into the hand - will help them get good velocity and wrist snap for control.
Have your pitchers vary their grips on the seams to experiment with the fastball and change ups. For example, gripping the with seams causes the pitch to sink; gripping the ball across the seams makes the pitch appear to rise.


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The purpose of this category is to display the time evolution of a "wave-form", by which form, we mean a real (or complex) valued function u(x,T) of the "time" T, and a "space" variable x.
At any time T the wave has a given "shape" or "profile", namely the graph of the function x ---> u(x,T), and the program displays this graph with x as abscissa and u(x,T) as ordinate
[NOTE: The resolution of this graph is tResolution, and its domain runs from tMin to tMax. That is to say, the interval [tMin,tMax] is divided into tResolution points x_i, i = 1,..., tResolution with spacing xStep = (tMax - tMin) / (tResolution - 1) and the graph is plotted at the points (x_i,y_i) where x_i = tMin + (i-1) * xStep and y_i = u(x_i,T), and then these plot points are joined into a polygonal graph. Note that the t of tMax tMin and tResolution have nothing to do with the time T! Thus to make the graph smoother, you must increase tResolution in the Set Resolution & Scale... dialog, and to change the domain of the graph, you must change tMin and tMax in the Set t,u,v Ranges... dialog.]
The time evolution of the wave-form is shown by the standard animation technique; namely, the above graph is first plotted for T=InitialTime, then for T=InitialTime + StepSize, then T=InitialTime + 2*StepSize, etc., until the user clicks the mouse. The variables InitialTime and StepSize are set in the dialog brought up by choosing ODE Settings... from the Settings menu. To make the animation slower (but smoother) decrease StepSize, and conversely increasing StepSize will make the animation of the wave-form evolution proceed more rapidly (but less smoothly).
As usual, the formulas defining a wave form u(x,T) can depend on the parameters aa,bb,..., ii as well as on x and T, and for each of the canned wave-forms these formulas can be checked by choosing About This Object... from the Waves main menu.
In trying to understand various features of a wave-form, it helps to see not only the animated evolution as above, but also to display the graph of the function u(x,T) as a surface, over the (x,T)-plane or to show "time-slices" of this graph. Therefore the Waves menu has choices to permit the user to switch between these display methods. (These two alternate formats, being three dimensional objects, can be viewed in stereo.)
There is, of course, a User Wave Form... item in the Wave menu, which brings up a dialog permitting the user to enter a formula for u(x,t) as a function of x,t, aa,..., ii.
Interesting wave-forms generally arise as solutions of so-called "wave equations". These are partial differential equations of evolution type for a function u(x,t). That is, the function u(x,t) is determined as the solution of a PDE satisfying some initial conditions. Perhaps the simplest example is the so-called "linear advection equation" u_t + v*u_x = 0 (where v is some constant "velocity"). This has the general solution u(x,t) = f(x - v*t). But there are also many interesting non-linear wave equations, in particular the so-called soliton equations, including the Korteweg-DeVries (KDV), Sine-Gordon, and Cubic Schroedinger equations. Many of our examples are pure soliton solutions of these latter examples.


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The role of riot police in law enforcement
February 28, 2012
The role of riot law enforcement in the U.S. is to control the general public when there's a demonstration, protest or other activity that threatens to become violent or destructive to property. Although they are instructed to use the least amount of force necessary for crowd control, they are authorized to use lethal force if necessary to protect themselves or to maintain the safety of others.
Various law enforcement agencies can be used for this kind of civilian crowd control, including municipal law enforcement and the sheriff's department, depending on the locality of the demonstration. In other circumstances, the National Guard is called in to perform the role of riot law enforcement.
A recent example of the use of riot law enforcement was after Hurricane Katrina in 2005, when the National Guard was called in to control looting and potential violence in New Orleans. Although there weren't any riots, the role of the National Guard was to maintain order in a situation that had a strong possibility of becoming out of control due to the intensity of the natural disaster and the resulting chaos. Also, many of the local law enforcement had been forced to leave town due to the storm, which increased the possibility of the need for riot law enforcement.
In the U.S. the use of riot law enforcement is different than in other countries where brute force is used to squelch any type of political dissent or social unrest. An example of this kind of brute force would be China's Tiananmen Square massacre in 1989, where riot law enforcement fired on innocent civilians who were protesting government policies. Although the exact number of people killed in the massacre is unknown due to government secrecy, several hundred are thought to have died. This is an example of riot law enforcement getting out of control.
Although most of the time the use of riot law enforcement in the U.S. remains non-violent, sometimes things get out of hand. An example of this would be the famous Kent State killings in 1970 where National Guard forces fired on non-violent demonstrators at Kent State University in Ohio, killing four students and wounding nine others. After this event, the use of the National Guard as riot law enforcement was used only in the most extreme circumstances where the potential for civilian violence was deemed highly probable.
Officers involved in riot control wear protective gear such as face visors, helmets and body armor. They're also equipped with gas masks to protect against inhaling tear gas and pepper spray if that's used to control the crowd. When necessary, shields are used to protect against thrown objects and gunfire. Oftentimes, riot law enforcement are mounted on horseback to enable them to have better mobility and a higher vantage point from which to view the crowd.
Because riot law enforcement are mandated to keep order while using the least amount of force, they usually carry non-lethal weapons such as batons, electric tasers, tear gas, pepper spray and rubber bullet ammunition that can subdue a civilian without causing serious injury or death.


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We provide quality early learning and childcare.
Ensuring access to childcare is critical to ensuring the economic security and equality of women. Studies show that universal access to early learning would decrease poverty rates for women and their families. We know that every dollar invested in universal, high quality early childhood education produce a two dollar social and economic return to our society.
Children who lack access to early learning are more likely to experience poor school readiness. Studies show that within our community, the lowest school readiness scores were found in Halifax West feeder schools aligned with the least amount of licensed early learning programs. Between 50 and 70% of children under the age of five living on the Chebucto Peninsula do not have the language skills, cognitive ability, physical health, and overall wellbeing status required for school readiness. This demonstrates that our children are entering the school system disadvantaged and unprepared.
When women and families are provided with childcare, they become more economically secure. As one of the first licensed childcare facilities in Nova Scotia, we have a long history of providing quality inclusive early learning and childcare programs. YWCA Canada is the second largest provider of Early Learning in the country.
We are advancing women's economic security by delivering quality accessible developmental early learning and care. Our programs include purpose-built early learning and childcare centres in the heart of Spryfield, licensed family home day care services, and parent support.
We are leaders in early learning and childcare.
For all inquiries or to enroll your child today, please contact the Early Learning and Childcare Director at _PHONE_ or _EMAIL_
Please include the following information in your email:
Your child's name
Your child's date of birth
Date of need


The short answer is yes, but as with my most short answers, there should be a closer look to truly understand the answer.
The question above is purposely vague and so my short answer is a yes, but of course it all depends. It depends on what the expected impact is for the shrubbery. If a business were to have the expectation that a row of shrubbery around the front of the property would stop an angry customer from attacking the building…well you know the answer is no longer yes.
If the expectation is that nobody would dare walk through or hop over the shrubbery to commit a property or violent crime, then again the answer would no longer be yes.
So what good could a row of shrubbery be?
We turn to a concept first made popular in the 1970's, although it didn't take off until much later. The concept is called Crime Prevention Through Environmental Design (CPTED). This concept covers everything from designing buildings to eliminate blind spots where crimes can occur outside the view of the building tenants, all the way to…yes the placement of shrubbery.
Essentially, placing shrubbery around the perimeter of your property makes it clear to everyone where the public belongs and where they don't.
It reminds me of waste high turnstiles. Somebody once challenged our security team how a criminal could simply hop over the recently installed turnstiles. Our response was that somebody hopping over a turnstile would draw the attention of the dozens of employees sitting in view of the turnstiles. The person hopping the turnstile would have no explanation if confronted, as it would be obvious to everyone the turnstile hopping person was up to no good.
More importantly, the turnstiles were used to track badge scans, which is important information for emergencies and even investigations. So, just like the turnstiles, a row of shrubbery can be a great security investment if your intention is to set your space apart from the public's. Anybody on the wrong side of the shrubbery would clearly be trespassing and should be confronted appropriately.
The extra bonus: a row of beautifully manicured shrubbery is more pleasing for employees than a metal fence.
If you grew up in the 80's and 90's, I am sure you had your share of Stranger Danger talks from parents and schools. "Don't talk to strangers." "Don't take candy from strangers." Kids were taught to scream "Stranger Danger" when any adult male they didn't know spoke to them out in public.
Why did we have these campaigns? The answer really goes back to the 1960's when news agencies began reporting on child kidnappings. By the 1980's these stories were everywhere. I am not trying to blame the media, but let's face the fact that people develop worry and anxiety over things they see in the news because it feels like these bad things happen everywhere all the time.
Communities had to do something, and so out of love for our children, we taught them not to talk to strangers. It does seem to make sense based upon the notion that strangers are kidnapping our children all the time.
In today's world, we don't hear this message coming from our schools and community agencies any more (although I still hear parents having focused conversations with their kids about not talking to strangers). Why don't we teach this in our schools anymore, you might ask?
Because not only doesn't it work, it can be unhealthy.
First, let's think about why it doesn't work. How many times have you seen Stranger Danger tested to a parent's dismay? A parent tells his 6 year old over and over not to talk to strangers. Then the parent tests the 6 year old by having a fake "stranger" talk to them and the 6 year old walks off with the "stranger." The parent is frustrated and embarrassed at failing as a parent. Sorry parents, your kids just aren't going to be great at ignoring and avoiding strangers 100% of the time. To confuse kids more, we encourage them to talk to some strangers and not others. They see us talking to strangers. We tell them to be nice to people. Oh, but if a scary looking "dangerous" man approaches your kid, they need to scream and run away. Wait, what makes a man scary looking or dangerous? What if the man is nice? You get the point – teaching your kids not to talk to strangers is too complicated for us, let alone them.
The reality is Stranger Danger doesn't work because it does not put people and situations into context. I often talk about how context is everything. Strangers are not dangerous. People who commit violent crime are dangerous. How do we know the difference? You need context.
Speaking of context, here is some for you parents. The US Department of Justice tells us 99% of kidnappings are from known persons – not strangers. The vast majority of missing children are runaways, not victims of kidnapping. The National Center for Missing and Exploited Children does not teach Stranger Danger anymore by the way.
My second point is how Stranger Danger is actually unhealthy. There are almost just as many stories of kids avoiding rescue workers out of fear as there are stories of kids being kidnapped. That's right, the flip side of Stranger Danger is your child is so scared to talk to strangers, they don't talk to the ones who are sent to save them. Talk about adding trauma to a lost child at the amusement park. Not only would they be scared they are lost, they are scared of all those strangers just swarming around them. Further, they have nobody to turn to for help.
Do we really want our children to think strangers are bad? Do you think strangers are bad? I sure don't. Strangers not only aren't bad, they can be the people who come to our rescue in times of need. Strangers become our new friends. Strangers change our lives for the better all the time. I say strangers are good.
If you want to give your kids tools to stay safe, please first put some thought into what their actual risks are. If your only focus is on a stranger abducting your child, you are statistically focused on the least likely risk for your child. With that said, you can have rules about having to get your permission before they go anywhere with someone. Or that they have to tell you if someone asks them to keep a secret. Educate them on who to talk to when they need help – police officers, teachers, people working at a store, nurses, doctors, etc.
I know it feels like we just can't win as parents: Save our kids from kidnapping – teach them Stranger Danger. Oh no, Stranger Danger is actually bad? You just can't win.
I am not trying to make parents feel like failures. To the contrary, I want you to be more effective. Avoiding danger and violence simply needs to start with first understanding what your risks are. And I'm sorry, your view on risk will be skewed if you get your understanding from the scariest news stories of the day. To get started, try searching some trusted sites to get the facts. Put some thought into what are the actual risks, not your anxiety about risk.
I am confident once you know the risks, you will do an amazing job at giving your children the right tools to stay safe.
I believe it is essential to understand how your instincts work for 3 reasons:
 1. First, understanding your instincts helps you to TRUST your instincts
 2. Secondly, you can train yourself to AVOID INTERFERRING with your instinct process
 3. Finally, you can apply practices to AMPLIFY your instincts
There is a common expression in the Information Technology business of "garbage in, garbage out." Perhaps you have heard this expression, or even used it many times yourself. Essentially it means if the data coming into a system or process is of low quality, then it is a guarantee the output of that system or process is also going to also be of low quality.
This is also true of your instinct process. The lower the quality of information coming into our instinct process, the lower the quality of the output, which is designed to protect us. And as the author of "The Gift of Fear," Gavin de Becker writes, the instinct process always has our best interests at heart.
Obviously I am oversimplifying how our brains work, but I found this explanation serves the purpose for this topic. Just as a computer requires data input, so do our brains. We obtain real-time data input through our 5 senses. What we see, hear, smell, taste, and touch gives our brains data.
The amazing part is what our brains are able to do with that inputted data. We know our brains are phenomenal at making associations. Additionally, our brains keep tons of old data files. All of our life experiences are stored in our brain. When we intake new information, our brains begin to make associations using our past experiences. When our brains make an association that it doesn't like, such as that we are in danger of some kind, it then generates an output. It is our brain trying to influence our behavior in order to keep us safe.
Here is an example. We see a man with a gun (data input from our eyes), our brain looks at old files and determines


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A worker at a McDonald's branch in Japan died of "karoshi" — the Japanese term for death from overwork — according to officials at the local government labor bureau. The employee, a 41-year-old woman, had put in about 80 hours a month in overtime for six months before she died. "We determined her work caused the illness," said an official at the agency.
The worker died in October 2007, after collapsing during a company training program. McDonald's Japan has yet to comment on the case, saying the company hadn't been contacted by authorities and needed to confirm the labor bureau's findings. In an earlier karoshi-related case, McDonald's paid a worker $75,000 in back overtime wages after his doctor warned him he was risking a stroke by working too hard.
The term "karoshi" is used by the Japanese government to refer to deaths — usually from heart attack or stroke — that are connected to excessive work. Approximately 150 workers die of karoshi each year, according to government data. Companies in Japan are increasingly being held liable for karoshi-related deaths and illnesses; earlier this year, a judge ruled that a man's suicide was due to his working conditions, and ordered his employer to pay $1.2 million to his surviving relatives.
(Photo: hassan abdel-rahman)


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Abstract: QS-9000 is the name given to the Quality System Requirements of the automotive industry which were developed by Chrysler, Ford, General Motors and major truck manufacturers and issued in 1994. QS-9000 is sometimes seen as being identical to ISO 9000. However, QS-9000 adds clauses to many of the ISO 9000 elements. Some of the differences in QS-9000 and ISO-9000 and the responsibilities of each employee under QS-9000 are given in this paper. This paper also describes the two types of audits, how employees should respond to audits, and the QS-9000 Quality Statement. Other terminology unique to QS-9000 is also given.
QS 9000 is the name given to the Quality System Requirements of the automotive industry which were developed by Chrysler, Ford, General Motors and major truck manufacturers and issued in late 1994. QS-9000 replaces such quality system requirements as Ford Q-101, Chrysler's Supplier Quality Assurance Manual, GM's NAO Targets for Excellence and the Truck Manufacturer's quality system manuals. The influence of QS-9000 is being seen throughout the automotive industry as it has virtually eliminated varying demands and waste associated with redundant systems. Proof of conformance to QS-9000 is certification/registration by an accredited third party such as Underwriter's Laboratories (UL) or the American Bureau of Shipping (ABS). Companies that become registered under QS-9000 will be considered to have higher standards and better quality products. This paper will describe the steps a company needs to take to achieve this goal.
QS-9000 will help companies to stay ahead of their competition. It will do this by filling gaps in the business and quality systems that can cause problems. QS-9000 eliminates redundant and unnecessary work practices. QS-9000 tells current and potential customers that the product has consistent quality and is manufactured under controlled conditions. This system is globally accepted as proof of quality in the automotive industry and is also a major customer requirement.
QS-9000 is sometimes seen as being identical to ISO 9000, but this is not true. Even though each element of ISO 9000 is an element of QS-9000, QS-9000 adds clauses to the majority of the ISO 9000 elements. For example, QS-9000 adds requirements for a business plan, tracking customer satisfaction and bench marking to element 4.1 of ISO 9000, Management Responsibility. QS-9000 also uses sector-specific requirements. The following requirements are not based on ISO 9000:
In order to become QS-9000 certified, a company must first prepare its staff for the challenge that awaits them. Each employee will have responsibilities under QS-9000. Once time-studies, machine and operator layout and production rates have been set by the industrial engineer, then some of these responsibilities include:
When the employees are prepared for the responsibilities that await them, they will be randomly audited by two types of auditors:
1. Internal auditor: A team of people who are employed by your company.
2. External auditor: A customer representative of the QS-9000 certification auditor. The auditor's questions may include:
The auditor might then ask specific questions concerning the procedure. Examples include:
The auditor may also ask to see any forms you fill out or records you have about your job. In many cases an employee will get nervous when an auditor asks a question. Good advice to give an employee on answering an auditor's question would be to relax. The auditor is probably just as nervous as you are. Be honest. The auditor may already know the truth. Be polite and the audit should go quickly. Show the auditor your work instructions (methods, visual aids). Be sure the way you explain how you do your job matches with the work instructions. Point out the Quality Policy Statement to the auditor and read it from the card. Be able to tell the auditor what the Quality Policy means to you in your own words. If you do not understand the question, ask the auditor to say it again or explain. Do not try to answer a question that you do not understand. Do not argue with the auditor. If you feel he or she did not understand your answer, carefully explain the answer to the auditor. Audits will normally be scheduled and the company will be notified. Therefore each department will have time to prepare, and they will usually have a practice audit so that everyone is prepared. However, the company should always be prepared for an audit by having their proceduresand quality policy statement ready.
Procedures should not be followed only when there is an audit. The purpose of the QS-9000 system is to consistantly produce a quality product. If procedures are followed only at the time of the audit the associates will not be comfortable or knowledgeable with them when the auditors come through. Therefore receiving certification becomes much more unlikely. More importantly, the goal of consistant production of a quality product will more than likely have been defeated.
The most important thing to remember with QS-9000 and receiving certification is that it is not a productivity comparison with other companies nor even a quality comparison. It is simply a check to see if you, as a department or company, are doing what you said you have been doing everytime you produce a part or product.
The QS-9000 Quality Statement tells of your company's objectives for quality and commitment to quality, and is relevant to company goals and customer needs and expectations. The Quality Statement will be given to all associates in the form of a laminated card that they must keep with them at all times. The Quality Statement should be posted in all areas of the facility. Though it is not necessary for each associate to memorize the quality policy statement, they should be able to read it from the card or wall and tell what it means to them. All management personnel must know the quality policy statement.
QS-9000 was developed to ensure customer satisfaction beginning with conformance to fundamental quality requirements and utilizing such concepts as continuous improvement, defect prevention, and the reduction of variation and waste in the supply chain. QS-9000 is an expansion or adaption of ISO-9000 that is more comprehensive and more applicable to the automobile industry and its suppliers.
The authors would like to thank the reviewers for their helpful comments.
1. Chrysler Corporation, Ford Motor Company and General Motors,
1994, Quality System Requirements QS-9000 1st Edition, AIAG (810)
2. Chrysler Corporation, Ford Motor Company and General Motors, 1995, Quality System Requirements QS-9000 2nd Edition, AIAG _PHONE_