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Softball signs nine student-athletes for 2018-19 class
NASHVILLE – The Lipscomb softball and head coach Kristin Ryman have announced the signing of nine student-athletes to the 2018-19 recruiting class.
"This is the second largest recruiting class I have ever brought in, but with a large group of seniors this year, this class has a chance to come in and make an impact right away," Ryman said.
"There is a lot of versatility in this class, but what I love most about them is their approach to the game. They are competitors who know how to win. They have played at the highest levels of travel ball and been very successful. They work on their own, and they understand the blue collar mentality."
For a team that will graduate a class of seven seniors after the upcoming spring season, this signing class will be key to replenish the roster.
"We have never wanted to recruit players we feel are nearing their peak, and this class has so much upside and so much ability to keep improving," Ryman said. "They are each bringing different strengths to the table, but we know their athleticism as a whole will make us better.
"In addition, they are incredible people and students who will thrive at Lipscomb. Their families are so supportive, and we are so excited they have officially joined the Herd."
Alana Collins | MIF/3B | Greeneville, Tenn. |Greeneville HS | East Cobb Bullets
"Alana is going to be a fun player to coach from day one. She brings a natural leadership that is hard to teach, and she reminds me of type of player I was. She loves to play the game no matter the circumstances, and is a player who respects what this game has given her. Her versatility in the infield is going to impact us early, and her ability to hit for a high average from the left side will make her a valuable piece of our lineup. Ultimately, it is her high expectations and competitiveness that will challenge everyone around her to be better."
Kyndall Crawford | OF | Eden, N.C. |Morehead HS |Lady Lightning Gold Demarini Platinum
"I cannot wait to coach Kyndall. She is a gamer and just loves to play and compete. She is a spark plug type of player who always seems to be in the middle of her team's success. She is a top of the order type of hitter who can jump start an offense, but one of the things I like most about her is her toughness and ability to find a way. I love Kyndall's approach to the game and her excitement about being an impact. She will be a key player for us early in her career."
Meghan Kline | IF/OF | Fort Myers, FL| Fort Myers HS | Panthers Gold
"We are very excited about Meghan because she is just scratching the surface with how good she can be. She can play nearly every position on the field, and that versatility will make her extremely valuable for us right away. Her athleticism and ability to adapt and grow as a player make us very excited about her future. Meghan is a five tool type of player in the making, and we can't wait to get her on campus."
Presley Leebrick - OF - Murfreesboro, TN - Siegel HS - Jacksonville Storm - Addison Davis
"We were so excited to be able to add a player of Presley's caliber late this fall. She is a difference-maker slapper with a ton of experience in the top of the order. She is a true student of the game and uses all of her tools to find ways to beat the defense. Defensively, she can take hits away in the outfield with her speed and reads. Presley is the perfect fit for Lipscomb, and will be an impact player right away."
Ashley Montoya - C/3B - Fort Pierce, FL - John Carroll HS - Panthers Gold - Jeff Stevens
"Ashley has power for days. We can't wait to get her here and get to work because she has a very high ceiling. She is a blue collar type of player who is not afraid to work for what she wants. She is a middle of the order hitter who can be counted on to drive in runs, and she is a competitive corner who loves to challenge the short game. Behind the plate, she works well with her pitchers and controls the game well. Ashley has a chance to be a really special player before her career is over."
Kelly Paulson | 2B/OF | Buford, Georgia | Buford HS | Team GA
"Kelly is a player who has been overlooked for years because of her size, but she always seems to find a way to rise to the top. She is a smart player who knows her strengths and plays to them. She is a very polished infielder and slapper, and is very mindful and intentional about how she plays the game. Kelly is a very well-rounded person who fell in love with Lipscomb as soon as she stepped on campus, and we are so pumped that she's joining the Herd."
Elise Shewmaker | IF | Lexington, Kentucky | Lexington Christian Academy | TN Illusions
"I am thankful that Elise chose Lipscomb because she definitely found her fit. She brings a consistency to the game in both her effort and her production, and an intensity to show up and get the job done. Elise is a smart player who we look forward to seeing grow even more. She is well-rounded defensively and has a big upside offensively. Elise is a feisty competitor, and she will be the kind of player that can make everyone around her better. We can't wait to get her in purple and gold."
Kaitlyn Woodside | 3B/1B | Spring Hill, Tenn. | Summit HS | Fury Platinum
"Kaitlyn is going to be an exciting player to watch develop. She is just starting to come into her own and show the type of power at the plate we know she can continue to develop at this level. She is a competitor and hates to lose, and I love that Kaitlyn will immediately bring the mentality needed to be successful at this level. It is so incredibly cool to see a girl who has been coming to our camps for years reach this point in her career. She has a chance to be a really special player for us."
Emily Yakubowski | LHP | Titusville, Florida | Astronaut HS | GA Power Gold
"Emily is our lone pitcher in this class, and was our very first 2019 commit. She is a very crafty lefty with a big upside, and we envision her being very effective for us in the circle right away. She has the ability to use all of her pitches to set hitters up, and she will complement our current pitching staff really well. But it is her work ethic and understanding of the game that will allow her to really take off at our level. We can't wait to get started with her."
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Solar Testing Laboratories
Solar Energy Contractor -
Brooklyn Heights, OH
Solar Panels in Bedford, OH
Solar Panel Repair in Macedonia, OH
Solar Panel Installation in Beachwood, OH
1125 Valley Belt Rd, Brooklyn Heights, OH 44131
Solar Energy in Brooklyn Heights, OH
Best Questions to Ask a Solar Energy Contractor Contractor
How long have you been in Solar Energy business for/How long have been serving the Independence area?
You'll always want to ask how long the company has been in business in Independence. While this isn't a guarantee that the company will do good work, companies with longevity on their side must be doing something right. That being said, there are newer companies that do great work. If the company is under three years old, ask where the owner was employed before and for how long. If he/she has a long history of employment, it's reasonable to infer that he or she decided to go into business for themselves after so many years of experience.
Some companies may require a 10% deposit, some may not require any. For larger projects, you'll almost always need to give a deposit, and it's good to ask how much the deposit will be before going forward with a project. The Independence contractor will know how much they need for a deposit when they've given you the estimate, so ask early.
Does the Solar Energy job require permits? If so, will you be pulling them yourself?
Many jobs in Ohio will require municipal permits in order to be approved by the town's inspector. It's always good to ask who will be responsible for pulling those permits, and if you'll be expected to do it. You'll almost never be told to pull your own, but knowing that Independence Solar Energy permits are required makes you appear to be a well informed customer.
Is your bill for Solar Energy in Independence an estimate or a final price?
Let us find solar energy professionals for you
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Termite Treatment in Clyde OH
Tub Resurfacing in Lakeview OH
Maple Heights, OH
Roof repair contractors | Akron Cleveland
727 Wooster Rd W Barberton, OH
Www.Theenergyfactory.Com
1671 E Market St Akron, OH
R.L. Spring & Sons
2275 Winter Parkway #179 Cuyahoga Falls, OH

redpajama_set_name: RedPajamaCommonCrawl


HARARE, ZIMBABWE Zimbabwe's public sector unions were divided on Wednesday over whether to launch a national strike after wage talks with the government failed, leaving the country on edge over the possibility of more unrest.
Mnangagwa � who came to power in November 2017 after long-time ruler Mugabe was forced to resign in a coup � promised to revive the economy and break with Mugabe politics. But frustration over the economic crisis is building and analysts say the pace of economic and political reform is too slow for impatient citizens.


One possibility is that your TCP windows are too small.
> Question is: Where do these drops occur?
> overran.  At least, I've seen this behavior in other circumstances.
> net.ipv4.tcp_wmem = "4096 16384 524288"
> about the wmem values.


Home Blog Should you wait to make a difference?
One big picture consideration in career choice is the question of how important it is to make a difference now versus later. Here's the issue: suppose you could either work at a charity next year or go to graduate school. If you work at the charity, you'll be making a difference right away, speeding up progress. If you go to graduate school, you'll be investing in yourself and able to have a larger impact later. Which is better?
If you think it's better to make a difference as soon as possible, the more you'll value your immediate opportunities for impact. In our framework, you'll put more emphasis on role impact potential. If you think it's better to invest and give later, the more you'll value activities that build your skills, connections and credentials (career capital), and the more you'll value learning about the world so you can make better decisions in the future (exploration value).
There's a similar issue with charitable giving. If you have some money, you can either give today, or you can invest your money, which will grow over time, and give a larger amount later. Under what circumstances should you invest rather than give now?
Overall, we favour investing in your human capital and wealth early, so that you make a greater difference later in your career. Why?
You'll be able to find better opportunities to make a difference in the future, because you'll get wiser and be able to use better research in which causes and careers are most effective.
Early-to-mid career, most people can make investments that significantly increase their career capital, such as learning new skills, doing a graduate degree and building a professional network. The returns from these investments more than justify the cost of waiting.
Nevertheless, there are a few other reasons to start making a difference now: it will teach you about the world; it will help you find collaborators; it's motivating; and it will help you build altruistic habits.
So, overall, we suggest that early in your career you mainly focus on building career capital and learning more, though still put some weight on your immediate impact. If choosing between two jobs, this could mean choosing the one that best builds your career capital, using immediate impact as a tiebreaker. As you get older, put more and more weight on your immediate impact.
Read on to see a full discussion of the considerations and our reasoning.
3.2 How is m changing over time?
3.3 What is r minus g?
3.4 What conclusions can we draw from this reasoning?
5 What about groups and coordination effects?
To analyse this problem, we use a simple model, which we were introduced to by Paul Christiano. Although simple, we think this model captures and explains the key considerations. However, it doesn't capture all the indirect effects, which we address in the next section.
Let's consider a unit of resources (either labour or money) being spent on an intervention that makes the world a better place, used for example to distribute malaria nets in Africa. Initially, it prevents some people getting malaria – making their lives much better. It also makes these people more generally productive, enabling them to better help their families, friends and the people they trade with, who then help their connections and surrounding society, who then help the people they're connected with, and so on. At first there's a relatively narrow impact (fewer people with malaria), but over time, the benefits get gradually spread out.
Once the benefits spread out even further, we can think of them as contributing to one big pool of world assets, growing at the world growth-rate. We can see that the growth of the benefits produced by the intervention must eventually correspond to the world growth-rate, otherwise they'll occupy a larger and larger share of the world's assets (see more detail here).
Note that this 'world growth-rate' need not correspond to the economic growth-rate (i.e. GDP growth) and 'assets' need not correspond to 'economic wealth'. What we care about is the growth of whatever is valuable, which may or may not be well-measured by economic wealth and growth.
To simplify, we can divide this profile of returns into two chunks: an initial chunk and the tail. In the tail, the annual returns are equal to the world growth-rate, g (note that this growth-rate will change over time, and will eventually approach zero). Once we've subtracted the tail, we can model everything else as a one-off multiplier on your initial allocation, m.
We think a good starting point is to assume that m is roughly constant over time. Thinking that it's unusually high or low amounts to thinking that the present is unusual, and you shouldn't think that the present is unusual unless you have strong reasons (which people sometimes have, but our first reaction is to be skeptical).
If forced to guess the direction of m, then we'd guess it will increase over the next few years.
There are three main factors at play. First, society may be getting wiser, which means people are getting better at taking the best opportunities. On the other hand, you can also expect to get wiser over the next few years, which means you'll be able to find opportunities with a higher m. The question then becomes, are you getting wiser faster than the rest of the world or not?
If you're at the start of your career, you can expect to get much wiser in the coming years, as you learn more about yourself and the world. Think about how different your views are today compared to ten years ago.
You can also expect to benefit from the research produced by groups within the effective altruism, strategic philanthropy and evidence-based policy movements. A serious research program to work out which causes have the most impact is relatively new, so we can expect more discoveries in the next few years.2 For more, see Paul's essay on this topic.
On the other hand, as more progress gets made, we should expect it to become harder and harder to make more progress ('diminishing returns'). That's because the best opportunities get used up. For instance, we can only provide sanitation to a community once.
However, we expect this effect to be small over the next few years compared to increasing wisdom, so overall we expect higher m in the future. This favours giving later.
Note that your views about diminishing returns closely connect with your views about causes. If you're mainly interested in global health, then returns will diminish quickly, because the best opportunities are rapidly being used up. If instead you mainly care about the long-run future, then returns might even be increasing, because technology is giving us greater power to alter the long-term direction of civilization (for good or ill!).
We think r is often higher than g, which also favours giving later.
There's a complex debate about the extent to which economic growth tracks real value. For instance, economic growth doesn't fully account for the costs of environmental damage, which would mean it's overstating true progress. However, this doesn't matter too much to our equation, because r is often higher than g by a substantial margin – whether we're discussing financial investments or investments in your own human capital.
The long-run world average return on investing in global stockmarkets is about 5%,5 suggesting it's generally better to invest your money and donate later. Rates of return on investing in your own human capital can be much higher. For instance, the returns on doing an undergraduate degree due to higher income are likely 10-15%, and it seems likely these expected financial returns reflect a more general increase in your career capital (though there's a debate about whether this consists of signalling, skill development, or networking). There seem to be other investments in education that can yield even higher returns. For instance, we've seen several cases of people almost doubling their income in under a year by learning to program.
More broadly – and we take this to be a common-sense position – we think that people can often increase their career capital very significantly in their first couple of years of work as they gain basic skills and start to accumulate a professional network.
The model and our views of the key parameters suggest focusing mainly on investing to give later, especially at the start of your career (ignoring the indirect effects that we discuss in the next section). Of course, it's always possible to stumble across an unusually good opportunity to either invest or give now, so there will be exceptions.
How much weight should we put on these results? We've considered more complex ways of modelling the situation, and think the question of which parameters are most important seems fairly robust: how does r compare to g and do you think giving opportunities now are unusually good or bad? The main uncertainty lies in the values you put into the parameters, especially the change in m over time.
Our views about the parameter values could easily change. However, given that the result also agrees with our impression of the common-sense, we think it's justified to put significant weight on it. The common-sense path for a high-impact career is to invest in building your skills and resources from age 18 to 30-50 (depending on your field), then turn towards giving back when you're older.
There are several effects not captured by the previous model, which overall push back in favour of making a difference now rather than later. We'll look at these below.
Trying to make a difference now can teach you about what's most effective and how the world works, which could alter what you do over the rest of your career. This is reason to spend some of your time and money now helping others, even if your main focus is building career capital.
This is especially true because making a difference now shows people that you're serious about helping others, which could help you find better people to work with and better opportunities to make a difference in the future. For instance, within donating money, GiveWell have found it's much easier to find further opportunities if they publicly commit to supporting certain causes.
Making a difference now is motivating, keeps you involved with altruistic people and helps you build up altruistic habits, such as living frugally. For this reason, we doubt it's best to completely forget about making a difference for the next twenty years, to only focus on building skills, connections and wealth. That could easily lead to burning out or giving up on your aims to help the world.
You might think there's some chance you become less concerned with making a difference as you get older, making it better to commit now. However, there are other ways to tie yourself to the mast, such as putting your money in a donor-advised fund, making friends with altruistic people, and making a public declaration to lead a high-impact career.
Making a difference requires reflection, and you only have a limited amount of time to reflect. Donating money usually involves saving up, then dedicating lots of time to working out how to spend it later in your life. So with your career, it may be easier and more productive to focus on building skills, then work out which causes to get involved with later.
When donating money, there can be tax considerations. For instance, you can normally only claim tax relief on donations against this year's income, which favours giving now. However, it's possible to partially get around this problem with a donor-advised fund.
What about groups and coordination effects?
If you're coordinating with a group, what matters is the distribution between giving now and giving later, over the entire group. You'll want to do whatever best brings the group's allocation into line with the optimum.
For instance, the community of people following GiveWell shouldn't save 100% of their resources to donate later. If they did that, GiveWell would fail. Even if GiveWell weren't going to fail, it would still be important to spend some resources now so that GiveWell can learn more about what works, enabling them to make better decisions in the future. Let's suppose the optimal allocation is 80% saved and 20% donated in the next ten years. If you think the current allocation will be 90% saved, then you might want to mostly donate now, even though on average you're in favour of saving. At the 2014 CEA Weekend Away, Carl Shulman argued that because Good Ventures is only spending a few percent of its assets each year, and Good Ventures represents the vast majority of the resources backing GiveWell, individual small donors supporting GiveWell should consider donating more now.
Is this an unusually good opportunity to make a difference now (compared to what will be available in the future)?
a. Are you getting wiser faster than the rest of the world?
b. Are the best opportunities getting used up faster than new ones are discovered?
By investing, can you earn a return substantially above the world growth-rate (probably a couple of percent per year)?
We think the answer to the first question is usually "no" and the answer the second question is usually "yes" – especially at the start of your career – which favours investing to give later.
However, due to considerations about learning, motivation and corruption, most people should still put some weight on making a difference now even if it's not their main focus. For instance, if choosing between two options, focus on the one that best builds your career capital, but use immediate impact as a tie-breaker; or if you end up in a job that doesn't make much difference, give 10% of your income to effective charities.
These views are reflected in how we weight the different elements of our framework at different stages of your career, as explained on our framework page. We start by putting a little weight on path impact potential, and increase it over your career. The pattern for career capital and exploration value is the reverse.
If you're especially worried about losing your desire to make a difference when you age, or find it very motivating to make a difference immediately, then you could prioritise path impact potential over career capital substantially earlier in your career.
If you're coordinating with a group, then the analysis needs to be applied to the group as a whole, and your best action depends on what everyone else is doing.


Join us over the Easter school holidays for a variety of fun activities, competitions and much more! As the daffodils poke their heads out of the ground and it starts to warm up, you can enjoy an afternoon exploring The Silver Mountain Experience! Join us for our Easter Egg-stravaganza event and enjoy our special activities.
Grotty, our secretive resident Dragon has hidden clues throughout The Silver Mountain Experience. Can you work out her message and 'crack' the code? There are chocolate treats for those who work out the magic word!
Try your hand at making an Easter card or perhaps an Easter wreath, go crazy!


Immersive Theatre breaks the typical "fourth wall" that separates actors from the audience and invites you to be a part of the story. This doesn't mean that you'll be dragged into the spotlight, but it does mean that as an audience member you will have the opportunity to interact with the characters and make choices that will change the direction of the story.
Receive news and updates about the latest classes and performances.
© 2017 Joy & Wonder Theatre. All rights reserved.


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The long-term consequences of a spiral fracture
On Behalf of The Viorst Law Offices, P.C. | Nov 25, 2021 | Personal Injury |
Your bones help support your body, but sometimes they cannot withstand the pressure that you experience, especially in an accident. Car crashes can easily cause severe fractures, even if someone wears their seat belt properly.
The force of impact can cause many different kinds of fractures. When there is an intense twisting force applied to someone's body, a spiral fracture, sometimes called a torsion fracture, can result. Spiral fractures involve the bone-breaking into multiple (and, often, uneven) pieces. Those who suffer a spiral fracture in a crash will likely have long-term medical and career consequences.
Spiral fractures require more than just a cast
Many times, broken bones are easy to treat after a car crash. They require imaging tests and a medical professional to help set the bone so that the broken pieces align appropriately and can heal. Usually, immobilization of the affected body part is necessary, and people often have to have a cast placed around the broken bone.
Spiral fractures aren't that easy to treat. When the bone breaks into multiple pieces and those pieces have uneven surfaces, surgery is frequently necessary to set the bone for healing. A spiral fracture often requires implanted support, at least during a patient's convalescence, as the pieces may be too small to fully heal and support weight on their own.
Even after it heals, a spiral fracture can cause long-term pain issues, reduce someone's range of motion and decrease their strength in the affected body part. Especially for those who do physically demanding work, spiral fractures can mean not just massive medical expenses but also diminished earning potential. Considering the long-term consequences of an injury from a car crash can help you pursue compensation for your losses.


Rescue sheet is mandatory in every hospital and nursing home.
The Rescue sheet provides complete peace of mind for directors of hospitals and other medical facilities, as well as management of senior living residences.
The rescue sheet is spread directly under the bed mattress and is therefore ready for the deployment of mobility impaired people through staircases at a moment's notice. In red alert situations, the sheet straps are pulled out and fastened around the evacuee, who is dragged down the stairs to safety with no bodily harm.
The use of rescue sheets in hospitals, nursing homes, and other institutions allows these institutions to be ready to evacuate patients, the elderly and people with disabilities who are unable to move independently during times of emergency.
The sheet is made from inflammable materials, is easily cleaned and suits standard mattress sizes.


Made of lightweight stainless steel and acetate using a 3D printing technique, Downtown is a large square shaped frame. It is classic with a retro flair and has a timeless and stylish feel. Made in Germany.


Bottcherin GTW should be applied to a cleaning rag and then wiped intensively over the blanket or roller surface. Repeat this procedure as necessary.
Wear protective gloves and approved personal eye protection during application.


Cinematic Autopsy: EVIL LURKS UNDER THE WATER IN "THE BLACK WATERS OF ECHO'S POND"!
EVIL LURKS UNDER THE WATER IN "THE BLACK WATERS OF ECHO'S POND"!
SCREAM QUEEN DANIELLE HARRIS AND ROBERT PATRICK STAR IN THE UPCOMING FILM "THE BLACK WATERS OF ECHO'S POND" WHICH HITS DVD & BLU-RAY SEPTEMBER 10TH! MY REVIEW WILL BE COMING SOON SO LOOK OUT FOR IT!
In 1927, archaeologists unearthed a major historical find in Turkey. What happened next is the stuff of legend...and nightmares!
In the film, nine friends take a holiday at a Victorian home on a private island off the coast of Maine. There, they uncover a game first discovered as part of an archaeological expedition from over 80 years ago that resulted in a series of mysterious – and grisly – deaths. What they don't realize is that when played, the ancient artifact brings out the worst in each of them. Jealousy, greed, hatred, lust, all of the things they keep buried deep inside themselves rise to the surface and come to a boil. A warning to all those who start the game: it just might finish you!


SOUTHFIELD — Strapped budgets and stretched-thin staff have prompted many city, county and state government entities to seek new ways to conduct business and to meet the service, transparency and policy demands of constituents. Next month, about 150 public officials from Michigan, Illinois, Indiana, and Ohio will gather in Grand Rapids for the annual ImageSoft Government Summit to explore how technology and collaborative projects can enable government to better serve constituents.
The June 12 Summit, which is themed Citizen-Centric Government: How Technology is Transforming Government, will showcase innovative technology solutions used by state and local government to streamline and improve processes.
The Government Summit, which is free of charge to public-sector employees, will offer participants a choice of 17 small-group breakout sessions on how technology is being used to create efficiencies in the courts, law enforcement, the clerk's office, the back office, public works and throughout government. Participants will hear about real-world outcomes from end-users in state and local government.
Chief Judge John C. Foster, of the 16th Judicial Circuit Court in Macomb County will deliver the keynote address. The Macomb County Court is currently in the process of implementing document and process management technology aimed at transforming the court to a paper-on-demand environment in which digital files replace paper files, and processes and productivity are greatly enhanced.
The Summit will take place from 8:30 a.m. to 5 p.m. at the Western Michigan University Downtown Conference Center. Pre-registration, which includes continental breakfast, lunch and conference materials, is encouraged. Government Summit participants are also invited to attend a pre-Summit golf outing and welcome dinner on June 11 beginning at noon at the Thornapple Pointe Golf Course in Grand Rapids.
To see the full Government Summit agenda, or to register for the Summit, visit www.imagesoftinc.com/government-summit-2013.html.


text:
Yuval Gefen
7 сентября в 11:30
Sergej Flach
Двух-жидкостные явления в жидкостях Латтинжера
Антон Андреев
One-dimensional quantum liquids are commonly treated using the Luttinger liquid theory, which neglects elementary excitations with high energies. In this approximation, in addition to the number of particles, energy, and momentum the liquid possesses another conserved quantity - J, which may be interpreted as the difference between the numbers of right- and left- moving particles. Beyond the Luttinger liquid approximation J is no longer conserved, but its relaxation time is exponentially long at low temperatures. I will show that as a result, one-dimensional quantum liquids exhibit two-fluid behavior. In particular in a wide frequency interval they support two sound modes that are similar to the first and second sound in superfluid He.
Minimal excitations states: From time resolved single particle fermionic states for Electron Quantum Optics to Digital communication and music.
D. Christian Glattli (Nanoelectronics Group, Service de Physique de l'Etat Condensé, CEA Saclay, France)
In the 90's, an impressive series of works by theoreticians from the Landau Institute on electrons shot noise in quantum conductors [1] and on the statistics of transfer of electrons [2] has leaded to the emergence of the beautiful concept of minimal excitation states [3-5]. These minimal excitation states can be generated by applying voltage pulses on the contact of a conductor to inject short single electron pulses. These states show minimal noise and provide a convenient and clean single electron source for electron optics whose aim is to perform quantum optics tasks with electrons instead of photons. The minimal excitations states, now called levitons, have been produced in recent experiments [6] and have triggered a large number of theoretical works. They have enabled Hong Ou Mandel like experiments [6] with electrons and single electron quantum Tomography [7]. Extension to fractionally charged anyons is possible.
At the root of the minimal excitation property is a specific single side band modulation of the electron wave by the Lorentzian voltage pulse. This property can be applied to classical electromagnetic or acoustic waves for applications in digital communication [8] or in music sound synthesis.
[1] G. B. Lesovik, JETP Letters, 49 (9), 592-594 (1989).
[2] L.S. Levitov, G.B. Lesovik, Charge-transport statistics in quantum conductors, JETP Lett., 55 (9), 555-559 (1992).
[3] A. Ivanov, H.W. Lee, L.S. Levitov, Coherent states of alternating current, Phys. Rev. B 56(11), 6839-6850 (1997); cond-mat/9501040
[4] L.S. Levitov, H. Lee, G.B. Lesovik, Electron Counting Statistics and Coherent States of Electric Current, J. Math. Phys., 37(10), 4845-4866 (1996); cond-mat/9607137.
[5] J. Keeling, I. Klich, and L. S. Levitov, Minimal Excitation States of Electrons in One-Dimensional Wires, Phys. Rev. Lett. 97, 116403 (2006).
[6] Minimal-excitation states for electron quantum optics using levitons, J. Dubois, T. Jullien, F. Portier, P. Roche, A. Cavanna, Y. Jin, W. Wegscheider, P. Roulleau & D. C. Glattli, Nature, 502, 659–663 (2013).
[7] Quantum tomography of an electron, T. Jullien, P. Roulleau, B. Roche, A. Cavanna, Y. Jin & D. C. Glattli, Nature, 514, 603–607 (2014).
[8] Power Spectrum Density of Single Side Band CPM Using Lorenztian Frequency Pulses, Haïfa Farès, D. Christian Glattli, Yves Louet, Jacques Palicot, Preden Roulleau, and Christophe Moy, IEEE Wireless Communications Letters, 6 (6), 786-789, (2017).
Hydrodynamic approach to electronic transport
Boris Narozhny (KIT)
The last few years have seen an explosion of interest in hydrodynamic effects in interacting electron systems in ultra-pure materials. One such material, graphene, is not only an excellent platform for the experimental realization of the hydrodynamic flow of electrons, but also allows for a controlled derivation of the hydrodynamic equations on the basis of kinetic theory. The resulting hydrodynamic theory of electronic transport in graphene yields quantitative predictions for experimentally relevant quantities, e.g. viscosity, electrical conductivity, etc. In this talk I will review recent theoretical advances in the field, compare the hydrodynamic theory of charge carriers in graphene with relativistic hydrodynamics and recent experiments, and discuss applications of hydrodynamic approach to novel materials beyond graphene.
Видео (в связи с ошибкой видео записано не до конца)
On reconstructing nonlinearly encrypted signals corrupted by noise.
Ян Фёдоров (King's College London)
I consider the problem of reconstructing a source vector from its encrypted image corrupted by an additive Gaussian noise. Assuming encryption to be given by a random Gaussian mapping, the reconstruction problem in the framework of the Least Square Scheme turns out to be equivalent to finding the configuration of minimal energy in a certain version of spherical spin glass model. As a measure of the quality of the signal reconstruction one can use the mean overlap between the original signal and its recovered image. Thi overlap is analysed in the framework of Parisi scheme of Replica Symmetry Breaking. If the mapping is quadratic, there exists a threshold in the noise-to-signal ratio beyond which the reconstruction is impossible. The behaviour close to the threshold is controlled by the replica symmetry breaking mechanism and is characterized by a nontrivial exponent 3/4.
Correlation-induced localization
5 апреля в 11:30
Conventional Anderson localization is due to destructive interference of matter waves described by local random Hamiltonians. Correlations in random diagonal elements of such a Hamiltonian are known to favor delocalization. Recently systems with non-local Hamiltonians become experimentally accessible. We consider two families of such random matrix Hamiltonians with correlations in the long-range hopping terms and demonstrate that localization is enhanced and the wave function ergodicity is progressively degrading as the correlations become stronger. We review the localization/delocalization criteria of Mott and Anderson and show that the former is the sufficient criterion of weak ergodicity and the latter is the sufficient criterion of localization. The fact that these two criteria are not complimentary is the reason why the non-ergodic extended (multifractal) states may exist when neither the Mott, nor the Anderson criterion is fulfilled.
We suggest a new class of random matrix models (Toeplitz RMT) with translation-invariant hopping integrals and identify the character of eigenfunction and eigenvalue statistics in them. We formulate the principles of level statistics if the type of eigenfunction statistics is known both in the coordinate and in the momentum basis and demonstrate that for the Toeplitz RMT the ergodic delocalization in the coordinate space may coexist with the Poisson level statistics.
Finally, we suggest a matrix-inversion trick that allows to identify uniquely the type of eigenfunction statistics and prove the absence of delocalized states in the bulk of spectrum of long-range Hamiltonians with deterministic (fully correlated) hopping.
Recent theoretical developments in the integer quantum Hall effects
Ferdinand Evers (Regensburg University)
The quantum Hall effects belong to the most striking phenomena in condensed matter physics. Despite of intensive theoretical efforts over the last three decades, important aspects of the quantum Hall transitions are still not fully understood. In particular, there is still no consensus concerning the critical field theory and the corresponding scaling properties of the observables near and at the plateau transition.
Notwithstanding this status, the last ten years have seen considerable progress in understanding basic properties of scaling near localization-delocalization transitions that have implications also for the quantum Hall transition. These concern, e.g., the important topic of corrections to scaling, the wavefunction statistics and higher-order multifractality. A brief review of these developments will be offered in the first part of the talk.
The second part of the talk will be devoted to the spin quantum Hall effect, which is a variant of the integer quantum Hall effect (class A) taking place in the Altland-Zirnbauer class C. For this transition several critical exponents are known analytically and can serve as reference points. Therefore, this transition provides an ideal testbed for the qualitative predictions made by analytical theories. Analytical predictions will be confronted with most recent numerical results.
Noisy quantum measurements: just a nuisance or fundamental physics?
Wolfgang Belzig
Weak, almost non-invasive quantum measurements differ from the standard text book example of strongly invasive, projective measurements, since they leave the measured system basically unchanged. This opens the path to measure e.g. non-commuting observables and at the same time poses several open questions: Which order of operators is measured? Can quantum tests like Bell or Leggett-Garg be reformulated? What time scales are involved in the measurement process? We will address some basic properties of weak measurements leading to surprises like apparent spontaneous time-reversal symmetry breaking or the possibility of engineered detectors to tailor the measured quantum correlations.
Эксперименты с ферми- и бозе-газами
Андрей Турлапов, ИПФ РАН, г. Нижний Новгород
Способы достижения температур уровня нанокельвинов в атомных газах станут первой темой доклада. Далее будут приведены примеры интересных экспериментов с квантовыми газами. В то же время речь пойдёт о сложностях, которые встречаются в экспериментах и о возможных, ещё не реализованных, путях их преодоления. В заключении подробно будет обсуждаться неопубликованный эксперимент по интерференции цепочки бозе-конденсатов, в котором возникает пространственно периодическая интерференционная картина, несмотря на то, что относительные фазы конденсатов случайны.
Гравитационно-волновая астрономия: в ожидании новых источников
Константин Постнов (ГАИШ МГУ)
Будет проведен анализ первых лет работы гравитационно-волновых детекторов LIGO/Virgo (сентябрь 2015 - август 2017), обнаруживших 6 слияний двойных черных дыр и одно слияние двойных нейтронных звезд. Будут рассмотрены основные результаты и возникшие проблемы в астрофизической интерпретации свойств источников. Новые наблюдения начнутся в феврале 2019 года.
Wonders of viscous electronics
Gregory Falkovich (Weizmann Institute of Science, Israel)
Quantum-critical strongly correlated systems feature universal collision-dominated collective transport. Viscous electronics is an emerging field dealing with systems in which strongly interacting electrons flow like a fluid. Such flows have some remarkable properties never seen before. I shall describe recent theoretical and experimental works devoted, in particular, to a striking macroscopic DC transport behavior: viscous friction can drive electric current against an applied field, resulting in a negative resistance, recently measured experimentally in graphene. I shall also describe conductance exceeding the fundamental quantum-ballistic limit, field-theoretical anomalies and other wonders of viscous electronics. Strongly interacting electron-hole plasma in high-mobility graphene affords a unique link between quantum-critical electron transport and the wealth of fluid mechanics phenomena.
Quantum electrodynamics of heavy ions and atoms
Владимир Моисеевич Шабаев (физфак СПбГУ)
The present status of the QED theory of heavy ions and atoms is reviewed. The theoretical predictions for the Lamb shifts, the hyperfine splittings, and the bound-electron g factors of highly charged few-electron ions are compared with available experimental data. Special attention is paid to tests of QED at strong-coupling regime and determination of fundamental constants. The current status of studying the parity nonconservation effects with heavy atoms is also reported. Recent results on the charge-transfer and pair-creation probabilities in low-energy heavy-ion collisions are presented. Prospects for tests of QED at supercritical fields are discussed.
Superconductivity that breaks time-reversal symmetry and its experimental manifestations
Victor Yakovenko (University of Maryland)
Since 2006, it has been found experimentally that superconductivity spontaneously breaks time-reversal symmetry (TRS) in certain materials, such as Sr2RuO4, UPt3, URu2Si2, and Bi/Ni bilayers. In the latter case, we argue that the superconducting order parameter has the winding number of +-2 around the Fermi surface, thus making Bi/Ni bilayers a rare example of intrinsic 2D topological superconductivity [1]. The experimental evidence for TRS breaking comes from the polar Kerr effect, which is rotation of polarization of normally incident light upon reflection from the sample. Theoretical studies indicate that this effect is possible only if a superconductor has more than one band. To clarify these conditions, we study a model of chiral TRS-breaking superconductivity on the honeycomb lattice [2]. We consider superconducting pairing on the neighboring sites belonging to different sublattices. The matrix of this superconducting pairing is non-unitary and does not commute with the normal-state Hamiltonian. We find that the latter condition is necessary for experimental manifestations of the TRS breaking. We show that such superconducting pairing generates persistent loop currents around each lattice site and opens a topological mass gap at the Dirac points with the corresponding chiral edge states, as in Haldane's model of the quantum anomalous Hall effect. We calculate the intrinsic ac Hall conductivity in the absence of an external magnetic field, which determines the polar Kerr effect, and show that it is proportional to the loop-current order parameter.
[1] X. Gong, M. Kargarian, A. Stern, D. Yue, H. Zhou, X. Jin, V. M. Galitski, V. M. Yakovenko, and J. Xia, Science Advances 3, e1602579 (2017), arXiv:1609.08538
[2] P. M. R. Brydon, D. S. L. Abergel, D. F. Agterberg, and V. M. Yakovenko, arXiv:1802.02280
Quantum Many-Body Physics of Qubits
Leonid Glazman (Yale University)
The ongoing development of superconducting qubits has brought some basic questions of many-body physics to the research forefront, and in some cases helped solving them. I will address two effects in quantum condensed matter highlighted by the development of a fluxonium qubit. The first one is the so-called cosine-phi problem stemming from the seminal paper of Brian Josephson: the predicted there phase dependence of the dissipative current across a Josephson junction was observed in a fluxonium, after nearly 50 years of unsuccessful attempts by other techniques. The second one is the dynamics of a weakly-pinned charge density wave: we predict that the dynamics may be revealed in measurements of microwave reflection off a superinductor, which is a key element of the fluxonium.
Eukaryotic cell polarity and protein sorting
Andrea Gamba, Politecnico di Torino
I will review some of the biophysical processes that allow eukaryotic cells to break their native symmetry and polarize in order to provide adequate responses to signals and properly adapt to the environment. An essential part of the process is the incessant spatial reorganization of membrane-bound proteins due to the action of reinforcing biochemical feedback loops that contrast the homogenizing effect of diffusion. A second component is the coupling of protein and lipid dynamics: protein crowding induces the bending of lipid membranes and the nucleation of small lipid vesicles enriched in specific molecular factors destined to be targeted to appropriate destinations. This mechanism leads to an incessant distillation process controlled by the strength of protein-protein interactions. A phenomenological theory of the process can be developed, predicting the existence of an optimal distillation regime characterized by simple scaling laws. Experiments suggest that living cells work close to this optimal regime, likely as the result of evolutionary pressure.
Chiral magnetic crystals
Markus Garst (TU Dresden)
The weak Dzyaloshinskii-Moriya interaction in chiral cubic magnets like MnSi, FeGe or Cu2OSeO3 twists the magnetization on long length scales resulting in spatially periodic magnetic textures — magnetic crystals. There exist especially magnetic crystals with a one- and two-dimensional periodicity corresponding to the magnetic helix and the topologically non-trivial skyrmion lattice, respectively. In this talk, we provide an overview of their properties. In particular, we discuss the crystallization process of these magnetic crystals that is characterized by strongly correlated chiral paramagnons that drive the transition first-order [1,2]. This fluctuation-induced first-order transition is well described by a theory put forward by Brazovskii. We will introduce the magnon band structure and their non-reciprocal properties in the presence of a magnetic field [3,4]. For the skyrmion lattice, this band structure is topological and characterized by finite Chern numbers that can be attributed to the formation of magnon Landau levels due to an emergent orbital magnetic field [5,6,7]. Finally, we will discuss domain walls of helimagnets that share similarities with grain boundaries consisting of disclination and dislocation defects of the helimagnetic order [8].
[1] M. Janoschek et al. Phys. Rev. B 87, 134407 (2013).
[2] A. Bauer, M. Garst and C. Pfleiderer, Phys. Rev. Lett. 110, 177207 (2013).
[3] M. Kugler et al. Phys. Rev. Lett. 115, 097203 (2015)
[4] T. Weber et al. arXiv:1708.02098
[5] C. Schütte and M. Garst, Phys. Rev. B 90, 094423 (2014).
[6] T. Schwarze, J. Waizner, M. Garst, A. Bauer, I. Stasinopoulos, H. Berger, C. Pfleiderer, and D. Grundler, Nat. Mater. 14, 478 (2015).
[7] M. Garst J. Waizner, and D. Grundler, J. Phys. D: Appl. Phys. 50, 293002 (2017)
[8] P. Schoenherr et al. Nat. Phys. in press, arXiv:1704.06288


text:
Анархо-колективізм, також званий колективістським анархізмом є одним з напрямків революційного соціального анархізму. Найбільший внесок у розвиток цієї теорії вніс анархіст, член Першого Інтернаціоналу Михайло Бакунін. Михайло Бакунін виступав проти державної і приватної власності на засоби виробництва, пропонуючи натомість ідею суспільного розпорядження ними безпосередніми виробниками, через організацію «вільних асоціацій».

Анархо-колективістські ідеї Бакуніна

Михайло Бакунін виходив з ідеї революційного перетворення суспільства, він вважав, що тільки таким чином може бути створено суспільство, засноване на колективістських засадах. Після того як буде здійснена колективізація засобів виробництва передбачалося зміна системи оплати праці: кожен повинен був отримувати в залежності від відпрацьованого часу, а отримувана за відпрацьований час плата стала б витрачається на товари на загальнокоммунальном ринку.

Перший Інтернаціонал

Антиавторитарної секції Першого Міжнародного, створеного на Конгресі в Сент-Імьене в 1872 році проголосили, що «прагнення пролетаріату не може мати ніякої іншої мети крім установи абсолютно вільної економічної організації та федерації, заснованої на праці і рівність всіх і абсолютно незалежною від будь-якого політичного уряду, в якому кожен робочий матиме» право користування продукту його праці і таким чином коштів розвитку його повних інтелектуальних, матеріальних і моральних здібностей умовах колективізму «. Дане революційне перетворення могло "бути тільки результатом дій самого пролетаріату, його робочих організацій і автономних комун".

До кінця дев'ятнадцятого століття більша частина європейського анархістського руху прийняла анархо-комуністичні положення, відстоюю принципи скасування товарно-грошових відносин на користь розподілу продуктів праці за потребами. Як не дивно, термін "колективізм" ставав у цей час все більш пов'язаним з марксистськими державним соціалізмом, що виражалося в захисті його прихильниками ідеї збереження системи найманої праці на час переходу до повного комунізму. Петро Кропоткін критикував ці ідеї в своєму есе, "Наймана праця в колективістському суспільстві", яка була перевидана в його книзі "Хліб і воля" в 1892-му році.

Теорія

Різниця між колективістським і комуністичним анархізмом лежить у збереженні системи найманої праці після соціалізації колективістами, в той час як анархо-комуністи вважали за необхідне не просто соціалізувати засоби виробництва, а й продукти праці.

Анархо-колективісти не завжди виступають проти використання грошей, в даному питанні їх підхід може бути варіативним. При цьому спочатку анархо-колективісти вважали свої теоретичні дослідження моделлю потенційно можливого переходу до комуністичного анархізму. Джеймс Гільйом, товариш Бакуніна по Першому Інтернаціоналу, писав, що анархо-колективістська суспільство "забезпечить спільне використання знарядь праці, які є власністю кожної з цих груп і які, шляхом двосторонньої угоди, будуть стає колективною власністю всієї … федерації".

Колективісти висловлюються на користь автономії робочого місця та самоврядування "робітників на різних фабриках не мають ні найменшого наміру передати насилу завойований контроль над знаряддями праці вищої влади, що називає себе" корпорація».

Анархізм
Соціальні теорії

redpajama_set_name: RedPajamaWikipedia


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Spoonbread Bistro Scoops Up Second Location
Sarah Kerndt | June 15, 2018
Topics: Fan, French cuisine, Good Eats, rva eats, rvadine, Short Pump, Southern comfort food, Spoonbread Bistro
"We opened September the 20, 2016. It was supposed to open for lunch, but we never got the chance to open for lunch because dinner took off like gangbusters and we could never get to the lunch, and we still haven't gotten to lunch."
Those are the words of Spoonbread Bistro's owner and Executive Chef Michael Hall, describing the boom in business that occurred upon the opening of the first Spoonbread Bistro location in The Fan in summer 2016. Richmond took to Chef Hall's fusion of Southern Comfort food and upscale French cuisine like wildfire, sparking incredible amounts of business and growth for the restaurant.
And now, the man who was behind M Wine Bistro in Rocketts Landing, and the former chef at 2300 Club in Church Hill, will expand his business west with Spoonbread Deux this weekend in the former Patina Grill location.
The original location at Floyd Avenue has been a popular spot for Richmond residents, and a highlight of Richmond Black Restaurant Experience each year, but where on earth did such a combination of cuisine come from? Chef Hall, a Richmond native who grew up in Church Hill, said it started with his mother's cooking. "My love has always been my mom's cooking, so you know, corn pudding, you see us have collard greens, we do sweet potatoes, you know just everything you would see in the south." He was learning the ropes of southern cooking for years at home, but it wasn't until his first job in a restaurant called The Butlery in 1985 that he would find himself on the path toward combining his love for southern comfort food, with French cuisine.
Bourbon Bread Pudding
"[It] was a French restaurant in the far west end. was the dishwasher, and really was going to leave there and go to take a job as an assistant to a real estate agent, but the executive chef actually talked me into staying," he said.
After that, he became assistant to the pastry chef at the restaurant, and his skills in the kitchen really began to heat up from there.
"They really thought I had talent, and they actually fired [the head pastry chef], and her husband the executive chef… they were husband and wife team, so they couldn't fire one without the other, so I became the pastry chef for this fancy French restaurant at the age of 23."
However, The Butlery was only the beginning of Chef Hall's foray into French cuisine. He would go on to attend the Culinary Institute of America for Pastries, work for Ukrop's as a recipe development chef, and served as Executive Chef for Shockoe Bottom's None Such Place for five years.
Chef Hall with Mayor Levar Stoney
Hall ventured out on his own with a restaurant called The Vine, but after that closed, it was his position at the 2300 Club where his vision for Spoonbread, which had started in 2003, began to come to life.
"[The 2300 Club] gave me the chance to really hone recipes, because it really wasn't that busy, so when I did do things, I had a chance to go back to my recipe development days," he said. "I kinda knew that I would do my own thing again, but I just didn't know when."
Now with two years of success under his belt at the Spoonbread in the Fan, Chef Hall was content, until he got word from a friend that the former Patina Grill on Lauderdale Drive had shuttered, and after some encouragement from his friend to check out the spot, he decided to dive in.
"I gotta be honest with you, I never thought about doing a second Spoonbread, I didn't and I really hadn't." He was semi-familiar with the area because of a friend teaching at the 9Round, but it wasn't until he noticed the name of a former colleague on the real estate sign that things really got on a roll.
"Believe it or not, a friend of mine that I use to work with when I was 20 years old, who worked with me at The Butlery is the real estate agent for this particular building, so when I saw the name, I was like, 'I know Robbie, let me call him and see what's up, so I gave him a call, he showed me the building, and I was like, 'wow I kinda like this…we could do another Spoonbread," Hall said.
The location proved ideal since it is in a residential area, it sits about a mile off the main Short Pump Strip, and the larger space allows for a larger kitchen. "The kitchen is bigger here, which means the menu can be bigger," he added.
So what can be expected on the new menu? Well, a filet coated with 24 karat gold. Because, why not? "We aren't doing it at the other restaurant, but we are doing it here…it's like this gold nugget on your plate," he said. "I think the menu is going to be a lot more fun because we have the room to do certain things."
Some new options will include stuffed oysters, and a Carpetbagger, an oyster-stuffed steak. Of course, his other eye-catching dishes such as the duck dish with smoke, and their steaks on salt blocks, and the popular crab cakes and braised short ribs will also be coming over to the new spot. Hopefully, we will the more unique dishes such as the lobster pop tart and pork siracha and collard greens egg rolls come over to the second location as well.
Spoonbread Deux will open this Sat., June 16 for dinner from 5 pm to 11 pm, and expand with lunch hours after Father's Day.
Photos By: Spoonbread Bistro
Sarah Kerndt
Sarah Kerndt is a graduate of Christopher Newport University with a degree in Communication Studies and a minor in Film Theory. Her taste in food is equivalent to that of a third-grade birthday party ("I love cake!"), she loves killer whales, and her lil' pitbull named Maple.
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1 Through Masking Tape and Metal, Nickolai Walko Creates His Masterpieces
2 'Say Her Name': The Sandra Bland Documentary and the Power of Speaking Out
3 RVA Mag Sharpens Axe Throwing Skills at G-Force Karts
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PHOTO: Joey Kyber
Could breaking the energy supply chain lead to a brighter future?
Ken Baldwin
Environment & energy, National security, Science and technology | Australia, Asia, East Asia, South Asia, Southeast Asia, The Pacific, The World
The coming energy transformation could create a world with fewer disputes over resource supply and access – we just need to address the threat of cyber-attacks against our Internet-of-Energy, Ken Baldwin writes. This is a chapter from Securing our Energy, the new publication from the ANU College of Asia & the Pacific.
Over the next few decades, the world's energy systems will undergo a seismic revolution, with a transformation on a massive scale as renewable energy takes over from fossil fuels. This will be driven not only by the urgent imperative to address climate change, but also by the overwhelming economics of renewable energy.
This article examines the implications of the energy revolution for national security. The analysis is in three parts: the implications for the security of supply chains; the shift from a centralised energy generating system to a disseminated network of myriad energy sources; and the implications for cybersecurity.
The first and most marked change in the energy security balance will be the shift away from traditional fuel supply lines, and the disappearance of dependence on foreign energy sources for many nations. The ability to exploit indigenous renewable energy (including solar photovoltaics, wind, concentrated solar thermal, geothermal, wave and tidal generation) will mean nations rely less and less on imported fossil fuels such as coal, oil, and gas.
The same is true of indigenous unconventional natural gas being unlocked by technological advances such as hydraulic fracturing (fracking). Further, those nations that have embraced nuclear power to address climate change can stockpile many years of high-energy-density uranium to improve supply chain security, compared with a continuous reliance on imported fossil fuels.
For some renewable energy rich nations, such as Australia, the cutting of the energy umbilical cord will be almost complete, particularly as we increasingly electrify our transport systems through electric vehicles, hydrogen fuel cells and biofuels – all potentially powered by energy sourced domestically.
More on this: Wind and solar could make light work of climate change
Some parts of the transport sector – shipping and aviation – will be very difficult to decarbonise. Aviation will require the development of synthetic 'drop-in' fuels or low-carbon biofuel replacements, while shipping may move in the direction of small modular nuclear reactors (with minimal refuelling requirements). Even in these cases, however, there will be a diminishing reliance on imported fuels. This will mean many nations will not only become increasingly fuel-independent for their electricity supply, but will also significantly decrease their dependence on energy supply chains for their transport systems.
The diminished importance of fossil fuel supply chains will gradually enhance national security for those nations currently subject to economic and geopolitical threats to their energy sources. Supply chain interdiction will no longer be an option for nations wishing to control the sovereignty of other countries, and there will be fewer resource wars – as no country is likely to go to war over another country's wind and solar.
This process will be accelerated by international agreements to limit damaging climate change, which will eventually see a premium placed on carbon-based imports, and consequently on the proportion of embedded carbon-based energy. A further driver will be continuing reductions in the cost of renewables, that, according to the August 2018 Photovoltaics Report by the Fraunhofer Institute for Solar Energy, have seen the price of solar panels fall by a factor of more than 100 in the last 37 years. This convergence of overwhelming economics, the climate change imperative and national security enhancement will further drive the revolution in our energy systems.
More on this: Moscow's new foreign energy strategy puts it on a collision course with Australia
Nevertheless, once the energy transformation has taken place, we will face different risks and opportunities presented by the new energy paradigm. We will have moved from a centralised generation system to a more complex network of disseminated renewable generation. Generator location will be driven largely by the geography of the best renewable resources. This will be complemented by disseminated storage (such as off‑river pumped hydro and batteries), linked together by an augmented electricity transmission system, which will more closely resemble the Internet than a traditional network backbone.
In the same way that multiple redundancy and complex interconnectivity was designed into the Internet to enhance security of communication, this new Internet-of-Energy might also provide enhanced robustness by removing reliance on a few centralised generators and transmission lines.
Being able to re-route energy through a more strongly interconnected system, tap into a diversity of complementary energy sources distributed over a wide geographic region, and store energy for use in times of future need, could contribute to the flexibility and redundancy needed to ensure a more secure energy system – both for the reliability of domestic supply, and the ability to withstand attack from outside.
However, this also increases the vulnerability of the Internet-of-Energy due to the vastly increased number of access points open to cyber attack. For example, demand response (that is, load reduction to match supply) will be a major component of any future energy system, particularly to attenuate loads at peak times – the equivalent to having an alternative (negative) generation source.
Demand response may be implemented on an industrial scale, or could apply to millions of demand loads all the way down to the household level. This includes the ability to control individual household appliances through the Internet-of-Things – a prospect that will make the entire system vulnerable to attack at the weakest point in the demand response system.
Together with the increased points of attack through the disseminated energy generators themselves, and the more complex transmission and distribution networks, this will require a whole-of-system approach to cyber security in order to prevent one small component in the network taking down the entire system.
More on this: The future of cybersecurity
This is not just a potential threat. It is already a reality, as shown by events such as the 2012 cyber attack on the oil company, Saudi Aramco, as described by Christopher Bronk and Eneken Tikk‑Ringass in The Cyber Attack on Saudi Aramco, and the taking down of the Ukrainian electricity network in 2015, which is detailed in the Wired article, Inside the cunning, unprecedented hack of Ukraine's power grid.
It could be argued that even if the renewable energy revolution does not eventuate, a centralised fossil-fuel based system would also be vulnerable to cyber attack, particularly given that widespread demand response will inevitably become part of any electricity system. There would be even greater vulnerability in such a centralised system if a single or multiple power station(s) could be selectively taken out, which could have catastrophic effects on the stability of the entire network.
By comparison, the effect on system stability of removing multiple, small, disseminated renewable generators could potentially be more readily mitigated by delivering ancillary services to maintain voltage and frequency control, such as might be provided by widespread, disseminated off‑river pumped hydro and/or batteries.
Irrespective of this hypothetical comparison, the renewable technology train is speeding down the tracks and, at this moment, appears unstoppable. To ensure our energy systems in the coming years continue to deliver system reliability, the threat of cyber security needs to be addressed.
Potentially this may be made easier by the redundancy and diverse connectivity in a highly-disseminated, renewable energy network.
But no matter how the energy transformation develops, two other issues will need to be addressed.
More on this: No silver bullets to R&D
The first is the increased vulnerability of energy systems to extreme climatic events, the frequency of which is expected to increase with global warming. This may be ameliorated to some extent by the robustness of a decentralised energy system, but we will still need measures to provide re-routing of network capacity, and ancillary services for voltage and frequency stability in a disseminated system.
The second issue is the decarbonisation of our energy systems, which must occur by mid-century to avoid the worst consequences of climate change. This may just be a stop-gap in our energy transformation until the advent of fusion power – the harnessing of the nuclear energy that powers the sun.
Already the International Thermonuclear Experimental Reactor (ITER) in Cardarache, France, which is funded by the major energy superpowers, is anticipated to demonstrate break-even around 2030. The engineering and physical scaling laws indicate that simply increasing the size of the reactor is all that is needed to achieve break-even: the ITER project is expected to well‑exceed the threshold required.
If ITER is successful, the next project (DEMO, or DEMOnstration Power Station) will produce a demonstration commercial version of a fusion reactor that can run continuously. After 2050, large energy companies may supply fusion reactors to nations that have the technical capability to build and maintain them.
This will bring with it a new set of security issues, as the world potentially reverts once more to a centralised energy generating system, given that fusion reactors will be comparable to, or bigger than, the largest current thermal power stations. Further security issues may arise because of the technological complexity of fusion power, which may mean a division between haves and have-nots in a future fusion world. We might, therefore, have to revisit this essay in a couple of decades' time.
Finally, the unstoppable renewable energy train may eventually run right over the train-wreck graveyard of Australian climate and energy policy from the last decade.
More on this: Israel's cyber playbook
The rest of the world has watched with, at best, bemusement as destabilisation by the Greens saw the demise of Labor's Emissions Trading Scheme, the Abbott Government axed the carbon pricing mechanism, and political infighting within the Coalition scuppered the first the Emissions Intensity Scheme, dumped the Clean Energy Target and buried its planned replacement, the National Energy Guarantee.
Now it may all become irrelevant until a future government decides to get on board the renewable energy train.
In the interim, it appears the increased capability of indigenous energy supply will enhance global geopolitical stability, and network reliability will benefit from multiple redundancy and better connectivity in a disseminated Internet-of-Energy system.
If we are sufficiently aware of the massive energy transformation that will take place, and act in a timely manner to address the parallel threat of cybersecurity, then we may find ourselves living in a safer world in decades to come, increasingly free from disputes over energy supply and energy access.
This is an extract from Securing our Energy, a collection of expert essays from the ANU College of Asia & the Pacific on the challenges and opportunities of energy security, energy access, and climate change. You can read the essays for free here.
Professor Ken Baldwin is the Director of the ANU Energy Change Institute, and Deputy Director of the ANU Research School of Physics and Engineering.
Podcast: Can Australia spark an energy... Ken Baldwin
Snowy 2.0: the lowdown on hydro Ken Baldwin
Tackling the region's policy challenges MARTYN PEARCE
New Zealand: a global leader on climate and... NINA HALL
Podcast: Ask Us Anything 100th episode... SHARON BESSELL
Make an impact with your expertise ASIA & THE PACIFIC POLICY STUDIES JOURNAL
Podcast: Ghosts of policy past, present and... MARTYN PEARCE
'One Belt, One Road' and India's... SHREYA UPADHYAY


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Accuracy of hemoglobin A1c imputation using fasting plasma glucose in diabetes research using electronic health records data
In studies that use electronic health record data, imputation of important data elements such as Glycated hemoglobin (A1c) has become common. However, few studies have systematically examined the validity of various imputation strategies for missing A1c values. We derived a complete dataset using an incident diabetes population that has no missing values in A1c, fasting and random plasma glucose (FPG and RPG), age, and gender. We then created missing A1c values under two assumptions: missing completely at random (MCAR) and missing at random (MAR). We then imputed A1c values, compared the imputed values to the true A1c values, and used these data to assess the impact of A1c on initiation of antihyperglycemic therapy. Under MCAR, imputation of A1c based on FPG 1) estimated a continuous A1c within ± 1.88% of the true A1c 68.3% of the time; 2) estimated a categorical A1c within ± one category from the true A1c about 50% of the time. Including RPG in imputation slightly improved the precision but did not improve the accuracy. Under MAR, including gender and age in addition to FPG improved the accuracy of imputed continuous A1c but not categorical A1c. Moreover, imputation of up to 33% of missing A1c values did not change the accuracy and precision and did not alter the impact of A1c on initiation of antihyperglycemic therapy. When using A1c values as a predictor variable, a simple imputation algorithm based only on age, sex, and fasting plasma glucose gave acceptable results.
10.19139/soic.v2i2.68
Xu, S.
Schroeder, E. B.
Shetterly, S. M.
Goodrich, G. K.
O'Connor, Patrick J., MD
Steiner, J. F.
Schmittdiel, J. A.
Desai, Jay R., PhD, MPH
Pathak, R. D.
Neugebauer, R. S.
Butler, M. G.
Kirchner, L.
Raebel, M. A.
Medical Records Systems, Electronic


folkd.com was registered 1 decade 3 years ago. It has a alexa rank of #2,880 in the world. It is a domain having .com extension. This site has a Google PageRank of 6/10. It is estimated worth of $ 3,067,200.00 and have a daily income of around $ 2,840.00. As no active threats were reported recently, folkd.com is SAFE to browse.


Microsoft recently announced rewards in exchange for information leading to the arrest and conviction of those who exploit its flagship Windows product through viruses, worms and other forms of malicious code.
After years of sitting idle, Microsoft is suddenly committed to improving security. Hence the company's mad rush to inject "security" into every product, speech and statement to reassure customers that Windows is still a worthy operating environment to purchase.
But rather than address its own problems, the company has decided to use creative marketing as a substitute for good security and software development. The problem isn't that virus writers are exploiting Windows; it's that Microsoft makes Windows easy to exploit by anyone with a modicum of programming know-how. Instead of accepting responsibility, the company is trying to pass the blame for such problems off onto others.
Creating a rewards programme is a clever, low-cost way of diverting public attention away from the many problems stemming from a history of exploit-friendly programming practices. Microsoft can avoid addressing the root causes that forced the creation of the rewards program while portraying itself as taking the moral high ground (albeit illusory) in its approach to proactive product security.
The rewards programme builds on the company's recent announcement to convert its traditional as-necessary security bulletin and patch-release process into a predictable monthly one. Interestingly, Microsoft's October 2003 white-paper discussion of the new security release process says this will make it easier for customers to stay current through a single cumulative monthly patch that fixes reported problems in Windows.
That sounds perfectly reasonable, until one reads that "Microsoft will make an exception to the above release schedule, if we determine that customers are at immediate risk from viruses, worms, attacks or other malicious activities. In such a situation, Microsoft may release security patches as soon as possible to help protect customers."
Microsoft will probably seldom release a bulletin patch outside its assigned monthly schedule. That would undermine its new policy and put the company in the unfortunate position of having to defend what makes one problem "more critical" than another and warrant a special release.
Admittedly, a monthly patch release schedule may make it easier for customers to stay current. But it also means that a potential adversary knows exactly when to release his next malicious code or exploit technique to the world. Network administrators likely will resent being kept in the dark between monthly patches, never knowing if their networks are endangered until the next security bulletin is announced.
Patching aside, it's more interesting -- and very convenient -- to learn that the company responsible for so many digital headaches is now offering a remedy in the form of Trustworthy Computing and the next version of Windows, code-named Longhorn. In other words, pay for your "protection" or be "at risk" (wink-wink) until you do.
An anomaly? Hardly. More than a decade ago, the company intentionally caused early versions of Windows to display error messages if installed on anything other than the Microsoft version of DOS. Once users installed MS-DOS, the error messages disappeared.
More recently, Microsoft forced users to accept the imposition of new and controversial digital rights management (DRM) software as part of the security "fix" in the Windows Media Player. Of course, users were free to not install the fix if they didn't want the DRM software on their systems. That also would leave them vulnerable to attack and exploitation from any number of criminals on the Internet.
All this raises the question of how the definition of "security" is changing to fit marketplace needs.
The MSDN Web site says DRM is a core "security" function of Longhorn that runs in what Microsoft calls the Secure Execution Environment. The very fact that an operating system -- the engine that runs our computers and touches everything we do on them -- is based on a DRM foundation (with "hooks" for third parties including Microsoft to determine what may be done with what information on a computer) is frightening. DRM should not be viewed as a function of security but rather as an add-on function of revenue protection for industries based on digital content.
Home and business users alike should not be forced into a protection agreement to be secure in cyberspace. Nor should the fundamental definition of security be extended -- or twisted -- to include invasive mechanisms of profit protection for industries unable to adapt their business models for the Information Age. Until Microsoft takes a realistic view of security and defines effective real-world ways of improving product security in the present day -- such as cleaning up the existing Windows code instead of greedily forcing mass upgrades -- customers will be reluctant to adopt a newer version of the Windows product line, no matter what the speeches and marketing material promise.
CEO Steve Ballmer recently said the rewards programme makes it clear that Microsoft is "taking security seriously." What he meant to say was that it's clear that Microsoft is taking its security reputation seriously. That's a big difference.
Richard Forno, former chief security officer at Network Solutions, is currently a security technologist. He is the author of "Weapons of Mass Delusion: America's Real National Emergency".


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Inspired Youth Writes 6-Page Report To Convince Her Parents They Need A Cat
By Matthew Russell
There's no end to the benefits of cat ownership; just ask 11-year-old Romesa.
The young girl from San Antonio, Texas, really wants a cat, but her parents are on the fence about a furry new family member. Not unprepared for their indecision, Romesa thoroughly researched the benefits of cat companionship, and in a 6-page synopsis, presented a compelling argument to her doting mother and father.
Pleased with her diligence, Romesa's sister, Rimsha, shared pictures of the dissertation on Twitter, which were promptly spread across the internet by inspired cat lovers.
According to Buzzfeed, Romesa and Rimsha kept a cat named Pepper for a few months before it had to be given away, and they have wanted a new feline friend ever since.
"She had the same love for cats and she really wants to adopt one," Rimsha said of her younger sister.
Eager for a chance to write, Romesa cranked out her report in an hour, relying on the internet for research.
"I thought I would write a report about a cat because that's what I really want," she told Buzzfeed.
Romesa laid out some very clear points for her parents to consider, not the least of which included pulling on heartstrings.
"Having a cat to play with will make me feel less lonely," she wrote. "It will also help me to get off my electronics because I will have a cute friend to play with."
Her heart is set on a "fluffy" Persian cat, but she admits she would ideally like to rescue one from a shelter, "so I could save a cat because that's really important to me," she said.
It seems like Romesa and Rimsha have a decent chance of winning the argument, at this point.
"I think chances are maybe 80 percent as of now," Rimsha confirms.
For more feline fun, follow the link below to see a cozy cabin truly fit for a cat, in the middle of the American Southwest!


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Calton Pu
Internet Infrastructure & Operating Systems
Large-Scale or Distributed Systems
Professor and Junior Chair in Software
calton.pu@cc.gatech.edu
Calton Pu, Ph.D., is a Professor in the School of Computer Science, College of Computing at the Georgia Institute of Technology. His research interests are in the areas of distributed computing, Internet data management, and operating systems. His current projects fall under the areas of cloud computing (Elba) and big data (GRAIT-DM) research. Using experimental data from realistic benchmarks, the Elba project studies the phenomena of very short bottlenecks that have large impact on N-tier system response time. The GRAIT-DM project collects real world data from social sensors (e.g., Twitter and YouTube) and physical sensors (e.g., USGS GSN and NASA TRMM) to detect physical events and manage real-time information on them. The sponsors for Pu's research include both government funding agencies such as the National Science Foundation, and companies from industry such as IBM, Intel, and Hewlett-Packard. He is a co-director of Center for Experimental Research in Computer Systems (CERCS) and affiliate of the Institute for Information Security and Privacy (IISP) at Georgia Tech.
Pu has taught several courses in the areas of systems and databases. In Fall, he teaches CS4220/6235 Real-Time Embedded Systems. In spring, he teaches CS4365/6365 Introduction to Enterprise Computing.


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Membership Luncheons
April Luncheon: Climate Change Conversations
Thursday, April 28, 2022 | 11:00 a.m. – 1:30 p.m.
Delta Winnipeg
Member Rate: $60 +GST
Future Member Rate: $120 +GST
ABOUT EVENT:
With the global pandemic disrupting our every day, it, unfortunately, caused climate change to take a back seat from our radars. Despite this, the very real and immediate threats of our heating earth remains unchanged. Join us for an in-depth and necessary conversation about climate change and how businesses of any size can contribute to the solution. Jane McDonald, Executive VP of IISD will walk us through how you and your team can rethink sustainable and smart living.
11:00 a.m. – Registration, networking and exhibitor booths
12:00 p.m. – Program starts
12:15 p.m. – Lunch service
12:40 p.m. – Keynote
1:30 p.m. – Program ends
Digital and/or physical COVID immunization card will be mandatory
at our event check-in for all Winnipeg Chamber in-person gatherings.
ABOUT OUR KEYNOTE:
Jane McDonald
Jane McDonald is the Executive Vice President of the International Institute for Sustainable Development (IISD), an award-winning independent think tank working to create a world where people and the planet thrive. In this role, she oversees IISD's global team working to accelerate solutions for a stable climate, sustainable resources, and fair economies.
Jane has over 20 years of Canadian and International experience working with governments, corporate executives, and major think tanks to advance sustainability. She has worked in the financial sector, building new environmental markets at investment bank Cantor Fitzgerald, and led advocacy efforts to secure the inclusion of Canadian renewable electricity in US clean power programs.
From 2015-2016, Jane served as Policy Director for the Canadian Minister of Environment and Climate Change where she supported the Canadian government's role in the Paris Agreement, and negotiations with provinces on the 'Pan-Canadian Framework on Clean Growth and Climate Change'. In 2018 she joined a diverse group of stakeholders on Canada's Generation Energy Council, producing the first energy vision for Canada consistent with the country's climate goals.
Jane is currently a board member of The Winnipeg Chamber of Commerce and the Transition Accelerator. She has served on many non-profit boards, taught as an Adjunct Professor of Environmental Finance at the University of Toronto, and was a 2007-2008 Fellow of Action Canada. She has a degree in economics and literature from McGill University and an MBA from York University and ESSEC in Paris.
350 St. Mary Ave.


How much does a Design Engineer make in Windsor, ON?
The average salary for a Design Engineer is $84,988 per year in Windsor, ON, which is 13% above the national average. Salary estimates are based on 12 salaries submitted anonymously to Indeed by Design Engineer employees, users, and collected from past and present job advertisements on Indeed in the past 36 months. The typical tenure for a Design Engineer is 1-3 years.