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Jeff Bezos invests in plant-based
The richest man in the world participates in the 85 million NotCo round
Jeff Bezos , a well-known American entrepreneur and the first richest man in the world, invests in plant-based foods consisting mainly or entirely of plant-based nutrients. Bezos participated, for an undisclosed amount, in the $ 85 million round C of the Chilean startup "The Not Company" (NotCo).
Conceived in 2015 by biotechnology engineer Matías Muchnick , biochemist Pablo Zamora and computer scientist Karim Pichara , NotCo products are based on "Guiseppe", a discovery platform that identifies plant-based proteins capable of mimicking animal products. Using this technology, the company currently produces "NotMayo", "NotMilk", "NotIceCream", "NotBurger" and "NotMeat". This year NotCo has partnered with Papa John's and Burger King to bring its plant-based products to their meat-based menu in Chile.
After conquering Chile, Argentina and Brazil, the just concluded round C will help the company to expand out of South America, leading the United States, which in all likelihood will be followed by entry into Europe.
Jeff Bezos is not the first celebrity to have invested in alternative proteins. At his side we also find Bill Gates, Leonardo di Caprio, Oprah Winfrey, Jay-Z, Serena Williams and Lewis Hamilton. Kaszek Ventures managing partner Nicolas Szekasy, who participated in the round, said NotCo has all the potential to become the leading global player in the food tech sector. " During this uncertain period, consumers have increased their appetite for plant-based. In parallel, Covid-19 has allowed us to see that meat production is not only harmful to the environment and inefficient, but also that the its supply chain is fragile. We are therefore happy to see this turning point, in which plant-based products are the most important part of a new normal, thanks above all to the extraordinary flavor as in the case of NotCo."
Mondo VegFake meat, la bolla continua a crescere
La cilena NotCo (prodotti Plant-Based), raccoglie 85 milioni di dollari e sposta la sede in Usa
C'è anche Bezos (Amazon) tra i finanziatori, oltre a Future Positive, nota per aver già investito in Beyond Meat e Memphis Meat. more
ForeignEurope: Mongolia registers an IGP product
It is Uvs Chatsargana PGI, or sea buckthorn berries
The registration of the Uvs Chatsargana PGI denomination was published yesterday in the Official Journal of the EU, the first product of Mongolia included as a Protected Geographical Indication that will... more
ForeignHungary sets the price of some food products
They are seven, and range from white sugar, to flour, to chicken breast
Hungarian Prime Minister Viktor Orbán announced last week that the government, starting next February, will set retail prices for six types of food products, such as white sugar, wheat flour, sunflower... more
ForeignSheep/goat farming in the EU: Romania in the top 5
It breeds, but it is not at the top of the meat production
In 2021, Romania exported more than 20% of its livestock for a total value of more than 225 million euros, according to data provided by the National Statistical Institute. Despite being among the top... more
Veg worldForeign


When a person is arrested and taken to West Valley Detention Center, along with the standard booking process, they will see a custody specialist who will determine if the person should be interviewed to see if they qualify for the deportation process.
The custody specialists run the person's name and social security number or alien number through several databases to determine whether the person is in the country legally or illegally, according to officials.
Officials will even take a look at the criminal record of a person who is a legal resident to determine if they are deportable because of their criminal activity, said Ostrander.
Some of the deportable offenses for lawful residents include child abuse, deviant and violent crimes and drug convictions.
Once that has been established, they are placed on detainer for deportation. After the criminal aliens complete their sentence in the United States, they will then be deported, she said. All of this information will be placed into an Alien File.
While Ostrander realizes that this may not be a perfect system, the amount of people who are being identified and placed on detainers is a very positive thing.
At least they are beginning to realize that the line about them here "doing the jobs Americans won't do" has long outlived its usefulness. Reality is finally taking its rightful place in all of this.


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All posts tagged "apology"
North Korea says 'regret' does not mean apology, warns South
SEOUL (Yonhap) — North Korea on Wednesday urged South Korea to refrain from making comments that could dampen inter-Korean ties following the two nations' landmark deal, warning that Seoul's attitude could push the hard-won conciliatory mood to...
Japanese leader Abe stops short of apology for World War II
TOKYO (AP) — Prime Minister Shinzo Abe acknowledged Friday that Japan inflicted "immeasurable damage and suffering" on innocent people in World War II, but stopped short of offering his own apology and said future generations of Japanese...
China's state media takes snipe at Abe's 'watered-down' apology
BEIJING (Yonhap) — China's state-run news agency Friday criticized Japanese Prime Minister Shinzo Abe for issuing a "watered-down" apology in his speech marking the 70th anniversary of the country's surrender in World War II. In a commentary,...
South demands North's apology, punishment over mines blast
SEOUL, Aug. 11 (Yonhap) — South Korea urged North Korea Tuesday to offer an apology over the deadly detonation of its land mines as Seoul's defense chief vowed to seize initiative along the heavily fortified border. South...
S. Korean gov't apologizes for CSAT errors
Grades of some 7,000 students will be affected By Jung Min-ho The Ministry of Education admitted Monday there were two correct answers for two questions on the most recent state-administered college entrance exam, a decision that will...
[The Crimson] One year later, Kim apologizes for Harvard bomb threat hoax
Eldo Kim, the Harvard undergraduate charged with threatening to bomb four campus buildings last December, spoke out on Tuesday for the first time since his actions brought the University to a halt nearly a year ago, publishing...
President's tears trigger emotional reaction
By Kang Seung-woo President Park Geun-hye shed tears at the end of her long-awaited national address over the tragic Sewol ferry sinking. The 24-minute address came 34 days after the April 16 disaster; a tragedy that has...

redpajama_set_name: RedPajamaCommonCrawl


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I want to say a little about the process which I use to design my olympiad handouts and classes these days (and thus by extension the way I personally think about problems). The short summary is that my teaching style is centered around showing connections and recurring themes between problems.
Now let me explain this in more detail.
Solutions to olympiad problems can look quite different from one another at a surface level, but typically they center around one or two main ideas, as I describe in my post on reading solutions. Because details are easy to work out once you have the main idea, as far as learning is concerned you can more or less throw away the details and pay most of your attention to main ideas.
Thus whenever I solve an olympiad problem, I make a deliberate effort to summarize the solution in a few sentences, such that I basically know how to do it from there. I also make a deliberate effort, whenever I write up a solution in my notes, to structure it so that my future self can see all the key ideas at a glance and thus be able to understand the general path of the solution immediately.
The example I've previously mentioned is USAMO 2014/6.
If you look at any complete solution to the problem, you will see a lot of technical estimates involving and the like. But the main idea is very simple: "consider an table of primes and note the small primes cannot adequately cover the board, since ". Once you have this main idea the technical estimates are just the grunt work that you force yourself to do if you're a contestant (and don't do if you're retired like me).
Thus the study of olympiad problems is reduced to the study of main ideas behind these problems.
So how do we come up with the main ideas? Of course I won't be able to answer this question completely, because therein lies most of the difficulty of olympiads.
But I do have some progress in this way. It comes down to seeing how main ideas are similar to each other. I spend a lot of time trying to classify the main ideas into categories or themes, based on how similar they feel to one another. If I see one theme pop up over and over, then I can make it into a class.
I think olympiad taxonomy is severely underrated, and generally not done correctly. The status quo is that people do bucket sorts based on the particular technical details which are present in the problem. This is correlated with the main ideas, but the two do not always coincide.
(For a reference, see Lemmas 2, 4, 5 and Exercise 0 here.) Thus from experience, any time I see one of these pictures inside the current diagram, I think to myself that "this problem feels projective"; and if there is a way to do so I try to use harmonic bundles on it.
An example where technical sort fails is the "pigeonhole principle". A typical problem in such a class looks something like USAMO 2012/2.
A circle is divided into congruent arcs by points. The points are colored in four colors such that some points are colored Red, some points are colored Green, some points are colored Blue, and the remaining points are colored Yellow. Prove that one can choose three points of each color in such a way that the four triangles formed by the chosen points of the same color are congruent.
Now why is taxonomy a good thing for learning and teaching? The reason is that building connections and seeing similarities is most easily done by simultaneously presenting several related problems. I've actually mentioned this already in a different blog post, but let me give the demonstration again.
Now whenever I see a new geometry problem, the diagram will often "feel" similar to problems in a certain bucket. Exactly what I mean by "feel" is hard to formalize — it's a certain gut feeling that you pick up by doing enough examples. There are some things you can say, such as "problems which feature a central circle and feet of altitudes tend to fall in bucket 6", or "problems which only involve incidence always fall in bucket 9". But it seems hard to come up with an exhaustive list of hard rules that will do better than human intuition.
4. How do problems feel?
But as I said in my post on reading solutions, there are deeper lessons to teach than just technical details.
For example, one of the unusual themes I teach is called Global. It's about the idea that to solve a problem, you can just kind of "add up everything at once", for example using linearity of expectation, or by double-counting, or whatever. In particular these kinds of approach ignore the "local" details of the problem. It's hard to make this precise, so I'll just give two recent examples.
Let be nine real numbers, not necessarily distinct, with average . Let denote the number of triples for which . What is the minimum possible value of ?
in any diagonal, if the number of entries on the diagonal is a multiple of three, then one third of the entries are , one third are and one third are .
If you look at the solutions to these problems, they have the same "feeling" of adding everything up, even though the specific techniques are somewhat different (double-counting for the former, diagonals modulo for the latter). Nonetheless, my experience with problems similar to the former was immensely helpful for the latter, and it's why I was able to solve the IMO problem.
This perspective also explains why I'm relatively bad at functional equations. There are some things I can say that may be useful (see my handouts), but much of the time these are just technical tricks. (When sorting functional equations in my head, I have a bucket called "standard fare" meaning that you "just do work"; as far I can tell this bucket is pretty useless.) I always feel stupid teaching functional equations, because I never have many good insights to say.
Part of the reason is that functional equations often don't have a main idea at all. Consequently it's hard for me to do useful taxonomy on them.
Then sometimes you run into something like the windmill problem, the solution of which is fairly "novel", not being similar to problems that come up in training. I have yet to figure out a good way to train students to be able to solve windmill-like problems.
I'll close by mentioning one common way I come up with a theme.
Sometimes I will run across an olympiad problem which I solve quickly, and think should be very easy, and yet once I start grading I find that the scores are much lower than I expected. Since the way I solve problems is by drawing experience from similar previous problems, this must mean that I've subconsciously found a general framework to solve problems like , which is not obvious to my students yet. So if I can put my finger on what that framework is, then I have something new to say.
The most recent example I can think of when this happened was TSTST 2016/4 which was given last June (and was also a very elegant problem, at least in my opinion).
Let be a positive integers. Prove that we must apply the Euler function at least times before reaching .
I solved this problem very quickly when we were drafting the TSTST exam, figuring out the solution while walking to dinner. So I was quite surprised when I looked at the scores for the problem and found out that empirically it was not that easy.
Now when I read through the solutions, I found that many of them had not really tried to think of the problem in such a "structured" way, and had tried to directly solve it by for example trying to prove (which is false) or something similar to this. I realized that had the students just ignored the task "prove " and spent some time getting a better understanding of the structure, they would have had a much better chance at solving the problem. Why had I known that structural thinking would be helpful? I couldn't quite explain it, but it had something to do with the fact that the "main object" of the question was "set in stone"; there was no "degrees of freedom" in it, and it was concrete enough that I felt like I could understand it. Once I understood how multiple operations behaved, the bit about almost served as an "answer extraction" mechanism.
These thoughts led to the recent development of a class which I named Rigid, which is all about problems where the point is not to immediately try to prove what the question asks for, but to first step back and understand completely how a particular rigid structure (like the in this problem) behaves, and to then solve the problem using this understanding.
Spoiler warnings: USAMO 2014/1, and hints for Putnam 2014 A4 and B2. You may want to work on these problems yourself before reading this post.
Suppose your friend in Boston blindfolded you, drove you around for twenty minutes, then took the blindfold off and claimed you were now in Beijing. Yes, you do see Chinese signs and pagoda roofs, and no, you can't immediately disprove him — but based on your knowledge of both cars and geography, isn't it more likely you're just in Chinatown? . . . We start in Boston, we end up in Beijing, and at no point is anything resembling an ocean ever crossed.
I then gave two examples of how to write a solution to the following example problem.
Proof: (Not-so-good write-up) Since for every (where ), we get which equals to . If this is and . Also, , this is .
Proof: (Better write-up) The answer is . This can be achieved by taking , whence the product is , and .
This proves the lower bound.
which allows you use the enigmatic condition .
In practice, most solutions are written more like the first one than the second one.
The truth is that writing up solutions is sort of a chore that people never really want to do but have to — much like washing dishes. So must solutions won't be written in a way that helps you learn from them. This means that when you read solutions, you should assume that the thing you really want (i.e., the ocean-crossing point) is buried somewhere amidst a haystack of other unimportant details.
But in practice even the "better write-up" I mentioned above still has too much information in it.
In fact, if your friend has been working on the problem for more than ten minutes, this is probably the only thing you need to tell them. They probably already figured out by themselves that there was a good chance the answer would be , just based on the condition . This "one-liner" is all that they need to finish the problem. You don't need to spell out to them the rest of the details.
When you explain a problem to a friend in this way, you're communicating just the difference: the one or two sentences such that your friend could work out the rest of the details themselves with these directions. When reading the solution yourself, you should try to extract the main idea in the same way. Olympiad problems generally have only a few main ideas in them, from which the rest of the details can be derived. So reading the solution should feel much like searching for a needle in a haystack.
In particular: you should rarely read most of the words in the solution, and you should almost never read every word of the solution.
I think a common mistake students make is to treat the solution as a sequence of logical steps: that is, reading the solution line by line, and then verifying that each line follows from the previous ones. This seems to entirely miss the point, because not all lines are created equal, and most lines can be easily derived once you figure out the main idea.
If you find that the only way that you can understand the solution is reading it step by step, then the problem may simply be too hard for you. This is because what counts as "details" and "main ideas" are relative to the absolute difficulty of the problem. Here's an example of what I mean: the solution to a USAMO 3/6 level geometry problem, call it , might look as follows.
Finally, we remark that putting together and solves the problem.
Likely the main difficulty of is actually finding and . So a very experienced student might think of the sub-proofs as "easy details". But younger students might find challenging in their own right, and be unable to solve the problem even after being told what the lemmas are: which is why it is hard for them to tell that were the main ideas to begin with. In that case, the problem is probably way over their head.
This is also why it doesn't make sense to read solutions to problems which you have not worked on at all — there are often details, natural steps and notation, et cetera which are obvious to you if and only if you have actually tried the problem for a little while yourself.
The earlier sections describe how to extract the main idea of an olympiad solution. This is neat because instead of having to remember an entire solution, you only need to remember a few sentences now, and it gives you a good understanding of the solution at hand.
But this still isn't achieving your ultimate goal in learning: you are trying to maximize your scores on future problems. Unless you are extremely fortunate, you will probably never see the exact same problem on an exam again.
This problem is "purely projective", so we can take a projective transformation!
This problem had a segment with midpoint , and a line parallel to , so I should consider projecting through a point on .
Drawing a grid of primes is the only real idea in this problem, and the rest of it is just calculations.
This main claim is easy to guess since in some small cases, the frogs have "violating points" in a large circle.
In this problem there are numbers on a circle, odd. The counterexamples for even alternate up and down, which motivates proving that no three consecutive numbers are in sorted order.
This is a juggling problem!
But now I want to point out that the best answers to the above question are often not formalizable. Lists of triggers and actions are "cheap forms of understanding", because going through a list of methods will only get so far.
Whenever you see a problem you really like, store it (and the solution) in your mind like a cherished memory . . . The point of this is that you will see problems which will remind you of that problem despite having no obvious relation. You will not be able to say concretely what the relation is, but think a lot about it and give a name to the common aspect of the two problems. Eventually, you will see new problems for which you feel like could also be described by that name.
Do this enough, and you will have a very powerful intuition that cannot be described easily concretely (and in particular, that nobody else will have).
Suppose is a random variable that takes on only nonnegative integer values, with , , and . Determine the smallest possible value of the probability of the event .
At a glance there seems to be nearly no connection between these problems. One of them is a combinatorics/algebra question, and the other is an integral. Moreover, if you read the official solutions or even my own write-ups, you will find very little in common joining them.
In both problems, I was able to quickly make a good guess as to what the optimal / was, and then come up with a heuristic explanation (not a proof) why that guess had to be correct, namely, "by smoothing, you should put all the weight on the left". Let me call this optimal argument .
That conjectured gave a numerical answer to the actual problem: but for both of these problems, it turns out that numerical answer is completely uninteresting, as are the exact details of . It should be philosophically be interpreted as "this is the number that happens to pop out when you plug in the optimal choice". And indeed that's what both solutions feel like. These solutions don't actually care what the exact values of are, they only care about the properties that made me think they were optimal in the first place.
I gave this philosophy the name Equality, with poster description "problems where looking at the equality case is important". This text description feels more or less useless to me; I suppose it's the thought that counts. But ever since I came up with this name, it has helped me solve new problems that come up, because they would give me the same feeling that these two problems did.
Two more examples of these themes that I've come up with are Global and Rigid, which will be described in a future post on how I design training materials.
One of the pieces of advice I constantly give to young students preparing for math contests is that they should probably do harder problems. But perhaps I don't preach this zealously enough for them to listen, so here's a concrete reason (with actual math!) why I give this advice.
In the USA many students who seriously prepare for math contests eventually qualify for an exam called the AIME (American Invitational Math Exam). This is a 3-hour exam with 15 short-answer problems; the median score is maybe about 5 problems.
Correctly solving maybe 10 of the problems qualifies for the much more difficult USAMO. This national olympiad is much more daunting, with six proof-based problems given over nine hours. It is not uncommon for olympiad contestants to not solve a single problem (this certainly happened to me a fair share of times!).
You'll notice the stark difference in the scale of these contests (Tanya Khovanova has a longer complaint about this here). For students who are qualifying for USAMO for the first time, the olympiad is terrifying: I certainly remember the first time I took the olympiad with a super lofty goal of solving any problem.
Now, my personal opinion is that the difference between AIME and USAMO is generally exaggerated, and less drastic than appearances suggest. But even then, the psychological fear is still there — so what do you think happens to this demographic of students?
Answer: they don't move on from AIME training. They think, "oh, the USAMO is too hard, I can only solve 10 problems on the AIME so I should stick to solving hard problems on the AIME until I can comfortably solve most of them". So they keep on working through old AIME papers.
To understand why this is a bad idea, let's ask the following question: how good to you have to be to consistently get a perfect score on the AIME?
This is pretty low, which makes sense: and on the AIME feel like quite different scores.
This should feel kind of low to you as well. So if you consistently solve of problems in training, your chance at netting a perfect score is still dismal, even though on average you're only three problems away.
Which is\dots just over .
At which point you throw up your hands and say, what more could you ask for? I'm already averaging one less than a perfect score, and I still don't have a good chance of acing the exam? This should feel very unfair: on average you're only one problem away from full marks, and yet doing one problem better than normal is still a splotchy hit-or-miss.
for small . That is, if your accuracy is even a little away from perfect, that difference gets amplified by a factor of against you.
Below is a nice chart that shows you, based on this oversimplified naïve model, how likely you are to do a little better than your average.
Even if you're not aiming for that lofty perfect score, we see the same repulsion effect: it's quite hard to do even a little better than average. If you get an average score of , the probability of getting looks to be about . As for the chances are even more dismal. In fact, merely staying afloat (getting at least your average score) isn't a comfortable proposition.
And this is in my simplified model of "independent events". Those of you who actually take the AIME know just how costly small arithmetic errors are, and just how steep the difficulty curve on this exam is.
All of this goes to show: to reliably and consistently ace the AIME, it's not enough to be able to do 95% of AIME problems (which is already quite a feat). You almost need to be able to solve AIME problems in your sleep. On any given AIME some people will get luckier than others, but coming out with a perfect score every time is a huge undertaking.
By the way, did I ever mention that it's really hard to be 90% confident in something? In most contexts, 90% is a really big number.
take three or four minutes and do the following quiz.
As a hint: almost everyone is overconfident. Second hint: almost everyone is overconfident even after being told that their intervals should be embarrassingly wide. Third hint: I just tried this again and got a low score.
So what do you do if you really want to get a perfect score on the AIME?
Well, first of all, my advice is that you have better things to do (like USAMO). But even if you are unshakeable on your desire to get a 15, my advice still remains the same: do some USAMO problems.
Why? The reason is that going from average to average means going from 95% accuracy to 99% accuracy, as I've discussed above.
So what you don't want to do is keep doing AIME problems. You are not using your time well if you get 95% accuracy in training. I'm well on record saying that you learn the most from problems that are just a little above your ability level, and massing AIME problems is basically the exact opposite of that. You'd maybe only run into a problem you couldn't solve once every 10 or 20 or 30 problems. That's just grossly inefficient.
The way out of this is to do harder problems, and that's why I explicitly suggest people start working on USAMO problems even before they're 90% confident they will qualify for it. At the very least, you certainly won't be bored.
Occasionally I am approached by parents who ask me if I am available to teach their child in olympiad math. This is flattering enough that I've even said yes a few times, but I'm always confused why the question is "can you tutor my child?" instead of "do you think tutoring would help, and if so, can you tutor my child?".
Here are my thoughts on the latter question.
I'm going to start by clearing up the big misconception which inspired the title of this post.
The way tutoring works is very roughly like the following: I meet with the student once every week, with custom-made materials. Then I give them some practice problems to work on ("homework"), which I also grade. I throw in some mock olympiads. I strongly encourage my students to email me with questions as they come up. Rinse and repeat.
The actual logistics vary; for example, for small in-person groups I prefer to do every other week for 3 hours. But the thing that never changes is how the parents pay me. It's always the same: I get dollars per hour for the actual in-person meeting, and dollars per hour for preparing materials, grading homework, responding to questions, and writing the mock olympiads.
Now I'm not complaining because is embarrassingly large. But one day I realized that this pricing system is giving parents the wrong impression. They now think the bulk of the work is from me taking the time to meet with their child, and that the homework is to help reinforce what I talk about in class. After all, this is what high school does, right?
I'm here to tell you that this is completely wrong.
It's the other way around: the class is meant to supplement the homework. Think salt: for most dishes you can't get away with having zero salt, but you still don't price a dish based on how much salt is in it. Similarly, you can't excise the in-person meeting altogether, but the dirty secret is that the classtime isn't the core component.
I mean, here's the thing.
When you take the IMO, you are alone with a sheet of paper that says "Problem 1", "Problem 2", "Problem 3".
When you do my homework, you are alone with a sheet of paper that says "Problem 1", "Problem 2", "Problem 3".
When you're in my class, you get to see my beautiful smiling face plus a sheet of paper that says "Theorem 1", "Example 2", "Example 3".
So we've established that the main active ingredient is actually you working on problems alone in your room. If so, why do you need a teacher at all?
The answer depends on what the word "need" means. No USA IMO contestant in my recent memory has had a coach, so you don't need a coach. But there are some good reasons why one might be helpful.
You have a person to talk to. This can be nice if you are relatively isolated from the rest of the math community (e.g. due to geography).
Feedback on solutions to problems. This includes student's written solutions (stylistic remarks, or things like "this lemma you proved in your solution is actually just a special case of X" and so on) as well as explaining solutions to problems the student fails to solve.
In short, it's much more engaging to study math with a real person.
Guidance. An instructor can tell you what things to learn or work on based on their own experience in the past, and can often point you to things that you didn't know existed.
It's a big plus if the instructor has a good taste in problems. Some problems are bad and don't teach you anything; some (old) problems don't resemble the flavor of problems that actually appear on olympiads. On the flip side, some problems are very instructive or very pretty, and it's great if your teacher knows what these are.
Ideally, also a good taste in topics. For example, I strongly object to classes titled "collinearity and concurrence" because this may as well be called "geometry", and I think that such global classes are too broad to do anything useful. Conversely, examples of topics I think should be classes but aren't: "looking at equality cases", "explicit constructions", "Hall's marriage theorem", "greedy algorithms". I make this point a lot more explicitly in Section 2 of this blog post of mine.
In short, you're also paying for the material and expertise. Past IMO medalists know how the contest scene works. Parents and (beginning) students less so.
Conveys strong intuition/heuristics, both globally and for specific problems. It's hard to give concrete examples of this, but a few global ones I know were particularly helpful for me: "look at maximal things" (Po-Shen Loh on greedy algorithms), "DURR WE WANT STUFF TO CANCEL" (David Yang on FE's), "use obvious inequalities" (Gabriel Dospinescu on analytic NT), which are take-aways that have gotten me a lot of points. This is also my biggest criteria for evaluating my own written exposition.
You guys know this feeling, I'm sure: when your English teacher assigned you an passage to read, the fastest way to understand it is to not read the passage but to ask the person sitting next to you what it's saying. I think this is in part because most people are awful at writing and don't even know how to write for other human beings.
Aside: I think this is a large part of why my olympiad handouts and other writings have been so well-received. Disclaimer: this was supposed to be a list of what makes a good instructor, but due to narcissism it ended up being a list of things I focus on when teaching.
And now I explain why the top IMO candidates still got by without teachers.
It turns out that the amount of math preparation time that students put in doesn't seem to be a normal distribution. It's a log normal distribution. And the reason is this: it's hard to do a really good job on anything you don't think about in the shower.
Officially, when I was a contestant I spent maybe 20 hours a week doing math contest preparation. But the actual amount of time is higher. The reason is that I would think about math contests more like 24/7. During English class, I would often be daydreaming about the inequality I worked on last night. On the car ride home, I would idly think about what I was going to teach my middle school students the next week. To say nothing of showers: during my showers I would draw geometry diagrams on the wall with water on my finger.
So spiritually, I maybe spent 10 times as much time on math olympiads compared to an average USA(J)MO qualifier.
The best I can do is hope that, in addition to making my student's training more efficient, I also cause my students to like math more.
You can use a wide range of wild, cultivated or supermarket greens in this recipe. Consider nettles, beet tops, turnip tops, spinach, or watercress in place of chard. The combination is also up to you so choose the ones you like most.
In this post I'll describe how I come up with geometry proposals for olympiad-style contests. In particular, I'll go into detail about how I created the following two problems, which were the first olympiad problems which I got onto a contest. Note that I don't claim this is the only way to write such problems, it just happens to be the approach I use, and has consistently gotten me reasonably good results.
[USA December TST for 56th IMO] Let be a triangle with incenter whose incircle is tangent to , , at , , , respectively. Denote by the midpoint of and let be a point in the interior of so that and . Let be a point on the incircle such that . Prove that either or .
[Taiwan TST Quiz for 56th IMO] In scalene triangle with incenter , the incircle is tangent to sides and at points and . The tangents to the circumcircle of at and meet at . Lines and intersect at . Prove that the circle with diameter is orthogonal to the nine-point circle of .
Here are the main ingredients you'll need.
The ability to consistently solve medium to hard olympiad geometry problems. The intuition you have from being a contestant proves valuable when you go about looking for things.
In particular, a good eye: in an accurate diagram, you should be able to notice if three points look collinear or if four points are concyclic, and so on. Fortunately, this is something you'll hopefully have just from having done enough olympiad problems.
Geogebra, or some other software that will let you quickly draw and edit diagrams.
With that in mind, here's the gist of what you do.
Start with a configuration of your choice; something that has a bit of nontrivial structure in it, and add something more to it. For example, you might draw a triangle with its incircle and then add in the excircle tangency point, and the circle centered at passing through both points (taking advantage of the fact that the two tangency points are equidistant from and ).
Start playing around, adding in points and so on to see if anything interesting happens. You might be guided by some actual geometry constructions: for example, if you know that the starting configuration has a harmonic bundle in it, you might project this bundle to obtain the new points to play with.
Keep going with this until you find something unexpected: three points are collinear, four points are cyclic, or so on. Perturb the diagram to make sure your conjecture looks like it's true in all cases.
Figure out why this coincidence happened. This will probably add more points to you figure, since you often need to construct more auxiliary points to prove the conjecture that you have found.
Repeat the previous two steps to your satisfaction.
Once you are happy with what you have, you have a nontrivial statement and probably several things that are equivalent to it. Pick the one that is most elegant (or hardest), and erase auxiliary points you added that are not needed for the problem statement.
Look for other ways to reduce the number of points even further, by finding other equivalent formulations that have fewer points.
Or shorter yet: build up, then tear down.
None of this makes sense written this abstractly, so now let me walk you through the two problems I wrote.
In this narrative, the point names might be a little strange at first, because (to make the story follow-able) I used the point names that ended up in the final problem, rather than ones I initially gave. Please bear with me!
I began by drawing a triangle (always a good start\dots) and its incircle, tangent to side at . Then, I added in the excircle touch point , and drew in the circle with diameter , which was centered at the midpoint . This was a coy way of using the fact that ; I wanted to see whether it would give me anything interesting.
So, I now had the following picture.
Now I had two circles intersecting at a single point , so I added in , the second intersection. But really, this point can be thought of another way. If we let be the diameter of the incircle, then as is the other diameter, is actually just the foot of the altitude from to line .
But recall that , , are collinear! (Again, this is why it's helpful to be familiar with "standard" contest configurations; you see these kind of things immediately.) So in fact lies on line .
This was pretty cool, though not yet interesting enough to be a contest problem. So I looked for most things that might be true.
I don't remember what I tried next; it didn't do anything interesting. But I do remember the thing I tried after that: I drew in the angle bisector, line . And then, I noticed a big coincidence: the first intersection of with the circle with diameter seemed to lie on line ! I was initially confused by this; it didn't seem like it could possibly be true due to symmetry reasons. But in my diagram, it was indeed correct. A moment later, I realized the reason why this was plausible: in fact, the second intersection of line with the circle was on line .
So, at least I had an interesting equivalent statement.
After another half hour of trying to prove my conjecture, I finally realized what was happening. The point was the one attached to a particular lemma: the -bisector, -midline, and touch-chord are concurrent, and from this just follows by some similar triangles. So, drawing in the point (the midpoint of ), I had the full configuration which gave the answer to my conjecture.
Finally, we could even remove the line through , and ; we ask the contestant to prove .
In fact, the starting point of this problem was the same lemma which provided the key to the previous solution: the circle with diameter intersects the and bisectors on the touch chord. Thus, we had the following diagram.
The main idea I had was to look at the points , , in conjunction with each other. Specifically, this was the orthic triangle of , a situation which I had remembered from working on Iran TST 2009, Problem 9. So, I decided to see what would happen if I drew in the nine-point circle of . Naturally, this induces the midpoint of .
At this point, notice (or recall!) that line is concurrent with lines and .
So the nine-point circle of the problem is very tied down to the triangle . Now, since I was in the mood for something projective, I constructed the point , the intersection of lines and . In fact, what I was trying to do was take perspectivity through . From this we actually deduce that is a harmonic bundle.
Now, what could I do with this picture? I played around looking for some coincidences, but none immediately presented themselves. But I was enticed by the point , which was somehow related to the cyclic complete quadrilateral . So, I went ahead and constructed the pole of to the nine-point circle, letting it hit line at . This was aimed at "completing" the picture of a cyclic quadrilateral and the pole of an intersection of two sides. In particular, was harmonic too.
How could I use this to get a nice result?
Finally about half an hour I got the right idea. We could take this bundle and intersect it with the ray ! Now, letting be the midpoint , we find that three of the points in the harmonic bundle we obtain are , , and ; let be the fourth point, which is the intersection of line with . Then by hypothesis, we ought to have . But from this we know exactly what the point . Just look at the circumcircle of triangle : as this has diameter , we see that is the intersection of the tangents at and .
Consequently, we know that the point , defined very naturally in terms of the original picture, lies on the polar of to the nine-point circle. By simply asking the contestant to prove this, we thus eliminate all the points , , , , , , and completely from the picture, leaving only the nine-point circle. Finally, instead of directly asking the contestant to show that lies on the polar of , one can rephrase the problem as saying "the circle with diameter is orthogonal to the nine-point circle of ", concealing all the work that went into the creation of the problem.
Updated version of generic advice post: Platitudes v3.
About a year ago , I posted my thoughts on what the most important things were in math contest training. Now that I'm done with the IMO I felt I should probably revisit what I had written.
The issue is many people simply ask about how they should prepare for AIME or USAMO without any real question. They simply figure that AOPS has a lot of successful people that excel at both contests, so why not see what they did? Unfortunately, that's not how it works – that's what this post is saying. There is no "right" training.
Do problems which are just above your reach.
Understand the motivation behind solutions to problems you do.
Know when to give up.
Self-explanatory. I can attest that the Contests section on AoPS suffices.
One should, for example, know what a radical axis is. It may also help to know what harmonic quadrilaterals, Karamata, or Kobayashi is, for example, but increasingly obscure things are increasingly less necessary. This step can be achieved by using books/handouts or doing lots of problems.
Basically, you improve when you do problems that are hard enough to challenge you but reasonable for you to solve. My rule of thumb is that you shouldn't be confident that you can solve the practice problem, nor confident that you won't solve it. There should be suspense.
In my experience, people tend to underestimate themselves — probably my biggest regret was being scared of IMO/USAMO #3's and #6's until late in my IMO training, when I finally realized I needed to actually start solving some. I encourage prospective contestants to start earlier.
and so on. I usually like to summarize the hard parts of the solution in a few sentences. As an example, "USAMO 2014 #6 is solved by considering the grid of primes and noting that small primes cannot cover the board adequately". Or "ELMO 2013 #5 is solved by considering the 1D case, realizing the answer is , and then generalizing directly to the 3D case".
In general, after reading a solution, you should be able to state in a couple sentences all the main ideas of the solution, and basically know how to solve the problem from there.
In 2011, JMO #5 took me two hours. In 2012, the same problem took me 30 seconds and SL 2011 G4 took me two hours. Today, SL 2011 G4 takes me about five minutes and IMO 2011 #6 took me seven hours. It would not have been a good use of my time in 2011 to spend several hundred hours on IMO #6.
This is in part doing (3) correctly by not doing things way, way over your head and not doing things way below your ability. Regardless you should know when to move on to the next problem. It's fine to try out really hard problems, just know when more time will not help.
In the other direction, some students give up too early. You should only give up on a problem after you've made no progress for a while, and realize you are unlikely to get any further than you already are. My rule of thumb for olympiads is one or two hours without making progress.
I think the things I mentioned above are at least extremely useful ("necessary" is harder to argue, but I think you could make a case for it). Now is it sufficient? I have no idea.
The least of reasons is that people ask me this all the time and I should properly prepare a single generic response.
It's only been a year? I could have sworn it was two or three.


text:
Politics 02/04/2019 12h50
Western Sahara : In a new report, Antonio Guterres refers to «the lack of trust on all sides»
In a report on the two round-table talks that brought Morocco, Algeria, Mauritania and the Polisario together in Geneva, the Un Secretary-General referred to «the lack of trust on all sides». To Antonio Guterres, building trust between the parties involved in the conflict would lead to a solution.
MINURSO cars in the Sahara./Ph. MINURSO
The United Nations Secretary-General Antonio Guterres said, Monday, that a «solution to the Western Sahara conflict is possible», in a report seen by Agence France Presse (AFP).
Guterres' report assesses the first and second round-table talks that brought delegations from Morocco, Algeria, Mauritania and the Polisario together in December, 2018, and March, 2019, in Geneva, the French news agency reports.
The UN Secretary-General stressed in his report that a solution to the territorial conflict would need «strong political will, not just from the parties and neighboring states, but also from the international community».
By the same token, Guterres explained in his report that the main «problem» that hinders the search for a solution to the territorial conflict «was the lack of trust on all sides», the same source said. For that, the Secretary-General pointed out that «building trust will take time and encouraging good faith gestures from the sides».
Meanwhile, Guterres hailed the Polisario's decision to destroy the remaining landmines, stressing that it was a «commendable first step» that would help build trust among the parties.
Extending the MINURSO's mandate by the end of April
As expected, Guterres referred to the United Nations Mission for the Referendum in Western Sahara (MINURSO), calling for the extension of the peacekeeping mission, without specifying its duration.
For the record, the Security Council is expected to decide on the MINURSO's mandate by the end of the current month, which will see the adoption of a new resolution on the Western Sahara conflict.
Indeed, in its provisional program of work for the month of April, the UN Security Council is expected to see the presentation of a report on the MINURSO on Tuesday, April the 2nd.
In the same month, the Security Council will be holding two other meetings on the Western Sahara peacekeeping mission, mainly on March the 9th and 10th. These two sessions will be followed by the adoption of a new resolution on MINURSO on April the 29th.
The MINURSO's mandate will end on the 30th of April, after it was renewed in October, 2018, to six months only.
Antonio_Guterres minurso report Western_Sahara UN Mandate morocco polisario


Welcome to the Lootmeister football handicapping page! Here you'll find articles offering tips, strategy and advice on how to handicap NFL football games. These articles were written by expert sports handicappers, many of earned expert status by learning all they know at the school of hard knocks. In other words, many lost their butts through trial and error, and have refined their craft after making tweaks to their game.
The NFL handicapping articles listed below are sure to help increase your odds of beating the point spread and the sportsbooks. Should you have any questions, feel free to drop us a line at admin@lootmeister.com and we'll do our best to help you out! Enjoy!
Three Key Handicapping Improvements - A lot of us were left scratching our heads at the end of last season in the NFL. And even if you didn't, the ability to continue improving is a key hallmark of any successful NFL bettor. Those who fail to improve are often left in the dust. In this article, Loot focuses on three different elements of NFL football handicapping and how we can sharpen those aspects of our betting profile. Take a peek!
Trends and the Public - Two key handicapping aspects are trends and dealing with what the general betting public does. Any good handicapper of NFL football deals heavily in both of those elements. In this article, Loot offers some tips on how to perceive betting trends and how the general betting public affects odds and betting. We can always stand to improve how we perceive different elements of NFL handicapping. Loot hopes this article does just that. Take a look!
Preseason Signs that a Team Will Cover Spreads - It's never too easy in the NFL offseason to start breaking down things in an effort to get a leg up for the following season. And in doing that, we want to focus on which teams might be getting overlooked. Big-time free-agent signigs, high-profile draft picks, and glamour coaching hires aside, there are a slew of lower-profile signs to look for when scouting a team that could be better than the oddsmakers are projecting. In this article, Loot breaks down some of those things. Take a gander!
Money Line Favorites and Line Shopping - The voyage to becoming a capable bettor of NFL football can be a long and arduous one. Our job at Lootmeister is to make that path a less-bumpy one. In this article, Loot hones in on two topics that will give your betting a big boost. We're talking about bettors trying to pick up easy cheese by making jumbo-sized bets on money line favorites, in addition to getting the best number on your wagers. Take a look, as Loot offers his guidance on both topics so you won't need to learn these lessons the hard way.
Pros and Cons of Coaching Changes - Nowadays, coaches come and go in the NFL at a far higher rate than used to be the case. That gives the current day bettor more to think about, with a large handful of new head coaches and coordinators throughout the league. It can change the way we look at teams, as we try to figure out if the change will resonate positively or negatively. In this article, Loot breaks down some of the different things we can expect to see with teams that have coaching changes. Click here for more!
Staying Informed - There are a few things we can control when betting on NFL football, while most is outside our reach. We can make sure to develop the knowledge and information that we use like bullets in the war against the bookie. In addition, we can master knowing ourselves--our tendencies, strengths, and weaknesses. When we become as educated as we can possibly become about the game we're betting, as well as mastering our own brains and knowing how it related to betting, we give ourselves the best chance to win. Click here, as Loot breaks down how we can use information as power in NFL wagering.
The Mental Aspect - As NFL bettors, we spend a lot of time covering everything that is football-related. What can sometimes happen is that we forget to handicap ourselves--namely how we mentally process what we see for the purposes of winning bets. After all, our brains are all we have to depend on and it's critical that we spend time thinking about how we're wired. In this article, Loot offers some tips on how we can stay on-point mentally, as we try to stay one step ahead of the bookie. Click here!
Common Wagering Fallacies - Many of us NFL bettors will get an idea in our heads and it can be hard to get away from it. There's just certain situations that we tend to favor, whether it be home teams or a team that has perceivably more to play for. There can be a fallacious nature to our thoughts and that can utterly sabotage our bottom lines. In this piece, Loot covers some of the more common betting fallacies that plague football bettors. Click here to read!
Getting an Edge Against the Sportsbook - Any form of sports betting is designed to give the bookie an edge that will guarantee they remain in business year after year. There isn't much we can do about those advantages other than develop some advantages of our own to wield against the sportsbook. In this article, Loot breaks down how we don't have to remain sheep being led to the slaughter and how there are actual edges we can develop against the bookie. Click here to read!
Evaluating Quarterbacks - Unquestionably, the NFL league is a league of stars. And no one is more visible on the playing field than a quarterback. But that can sometimes cause us to make misguided conclusions when betting on an NFL game. In this article, Loot explains how the quarterback is almost never as important as he is made out to be, while offering us tips on how we can start looking at things a little differently when evaluating quarterbacks for the purpose of winning bets. Click here!
Finding Good Value - In this article, Loot clues us in on how to make good betting value more of a key element to our overall betting outlook. It's a concept that is easy to lose sight of over the course of a football season, but it can never be too far from our minds. After all, if the odds we receive generally exceed the true probabilities of what we're betting, we stand to win over the long-run. Click here, as Loot pulls our coats about the good value concept.
Changing Plans in Mid-Flight - Winning is easy, but what happens when things aren't going well? Do you ride it out or do you begin to panic and run the risk of making it even worse? How one acts when facing diversity is one of the more key considerations that determines if you're cut out for this or if you're another sheep being led to slaughter. Click here, as Loot helps breaks down the pinnacle importance of being able to take losses without completely unraveling and gracelessly attempting to recoup losses.
Staying Ahead of the Masses - When you transition from an NFL football fan to an NFL football bettor, you have to abandon some of the things that guided you as a fan. As bettors, we develop a whole new list of concerns. One of those is that we need to stop looking at the sport in the over-simplified way that fans perceive it. In this piece, Loot examines some of the potentially-dangerous notions that are OK for fans, but could damage our bottom-lines as bettors. Click here for more!
The Zen of NFL Betting - We break down a lot of different things when betting on NFL football and most of it has to do with the game, teams, or players. In this article, Loot breaks down the need for us to manage ourselves and how our mindsets can be the biggest factors in determining whether or not we can become successful as football bettors. Click here for more!
Acting Like a Professional - In any walk of life, we should look to those who are really good at something to learn how it's done. NFL betting is no different. We should be aware of what the real winners in this business are doing so that we can incorporate some of these things into our overall betting outlook. In this article, Loot breaks down some of the key traits that the pros utilize to become proven winners. Click here!
Pitfalls of Picking a Bad Sportsbook - Beating the bookie in NFL betting is difficult enough under ideal conditions. When dealing with an underhanded book, it becomes that much more improbable. In this piece, Loot tells us some of the different things to look out for when doing business with a book that should clue us in that we should go elsewhere. Learn how a bad sportsbook can ruin your overall NFL betting experience. Click here!
How to Act at the Sportsbook - A lot of new bettors can be a little intimidated by bustling sportsbook. It can be a bit jarring for bettors who have bet online their whole lives when they transition to a brick-and-mortar book. In this piece, Loot explores some of the etiquette and behavior that people should exhibit in a book. Click here!
Letting it Play Out - It's easy to stick to your guns when things are going well. But what happens when you start losing? Anyone can win with grace--that's the easy part. But when it's clear that your weekend is going sour, how do you act then? In this piece, Loot breaks down why it's of crucial importance to stick to your guns when things aren't going well, rather than make a bunch of rash moves to recoup. Click here!
Making Big Wagers in Big Games - Sometimes bettors act like a big game gives them license to make a big-sized bet. In this article, Loot breaks down why those high-profile games are often the toughest to beat and how betting value should be our guiding light. Learn why making grandiose bets on the biggest games can often be a big misstep. Click here!
Faulty Practices - Loot teaches readers what NOT to look at when handicapping games. Many novice sports bettors think that they're able to scour a sports section or watch ESPN to gain knowledge to give them an edge on the bookies. It doesn't work this way! True handicapping prowess comes from watching games and reading in between the lines. Loot explains.
Preparing for the Season - Loot stresses the importance of keeping up on the changes to a team, whether it be player moves or coaching changes. He urges readers not to get locked into a perception of a team because things change quickly in the National Football League.
Different Styles of Handicapping - There are numerous ways to handicap an NFL football game. While some are more effective than others, all are important to explore and consider prior to making your pick. Loot breaks down the common styles handicappers use to form a hypothesis of who will cover the spread.
Handicapping NFL Turnovers - Most bettors get too hung up on offensive stats. Increase your handicapping prowess by adding this much overlooked variable. It WILL undoubtedly increase your winning percentage and chances of beating the bookie!
Handicapping NFL Bye Weeks - If you talk to 100 football bettors, you'd receive an overwhelming consensus that a team is sure to "get healthy" and come back motivated after bye week. Many think this is an advantage against the spread, but it's not! This variable has already been cooked into the line of a game. Check out Loot's tips on betting NFL teams after their bye week.
Sandwich Games, Home Underdogs and Arbitrage Bets - A sandwich game is a three game span where a team plays a good team, bad team and a good team. Loot also talks about good spots to bet on home underdogs and how to take advantage of soft lines by betting arbitrage style.
The Power of Momentum in Football Betting - It's the invisible variable! Unfortunately, by the time most of us catch onto it it's gone! Loot talks about momentum and how player personnel moves affect teams.
Handicapping Playing Conditions - At first glance, this article may sound like it's solely about the weather. But it's not! There's all kinds of variables to probe for prior to clicking enter on those football bets!


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redpajama_set_name: RedPajamaGithub


headphone amplifier and D/A converter in a compact, portable package.
the internet. No batteries, just plug into USB and enjoy.
You can write your own review of the Heil USBQ.
-56 db or higher range. Persons having issues were using mikes with lower outputs. Mine was @ -61 dB. I asked Bob Heil to update his USBQ manual to reflect this fact. If this info was available I would have known what the problem was and would have avoided a negative review. As of the date of this review the specs of the USBQ has not been updated with this fact.
The USBQ is a unique product in that it has built in equalization. The case is rugged and the aluminum case provides good shielding of the unit from hum and RF. The only thing I would say is potentially fragile are the control wheels. The are plastic and thin, but this is not unreasonable nor of poor quality in pots of this size. Don't just throw the USBQ in your laptop bag, instead place the USBQ back in its box with the controls facing down into the foam for protection.
So if you are using the USBQ and a Heil microphone or have a Mike that has an output of -55 dB, the USBQ should work well for you. If your microphone has an output of lower than -55 dB you may need to add an external microphone preamp to use USBQ. At -61 dB my microphones output was definitely too low for the USBQ alone.
An Inline Preamp - With EQ!
The USBQ inline unit is not meant to replace your digital audio workstation. But if you are a podcaster ... or in the field without AC power ... or if you're really on a tight budget at the moment - then the format and features of the USBQ are very desirable.
SO ... What does the Heil USBQ offer that the other current inline mic preamps don't? EQualization! You have +/- 12dB at both 80 Hz and 10k Hz - adjustable with thumbwheel controls.
Physically, the Heil USBQ is five inches overall in length and one inch in diameter. Solid, aluminum housing. Four thumbwheel dials along one side for headset volume, high and low EQ, and mic gain. Also on that side is a multi-color LED, which is red when attached to and powered by your computer's USB port - and the LED turns blue if you engage phantom power. 3-pin balanced XLR female at one end. The other end has a 3.5mm 3-conductor headphone/earpiece monitoring jack, USB Mini-B jack, and a tiny pushbutton switch to activate 48VDC phantom power.
1. Sturdy aluminum housing, anodized purple.
3. No way to accidentally actuate the 48V phantom power switch - it is a tiny button, and not a slide switch. You really have to "want" to actuate it. Great design.
4. Did I mention that it is purple?
5. Mini-B USB jack - all three of the cords I used (and one is included in the USBQ's box) fit firmly in its Mini-USB jack - unlike a few problematic jacks on other devices I have run in to that are not as tight a fit. All is secure here.
6. What sets the Heil USBQ far apart from other inline mic preamps (like the Blue Mic Icicle*, MXL MicMate*, CEntrance MicPortPRO*, and Shure RPM626* / X2u*) is its built-in equalization.
7. You have +/- 12db of bass equalization down at 80 hertz.
8. You have +/- 12db of treble equalization at 10K hertz.
9. The center of the EQ dials are scored with a white line at the mid/zero point.
10. Also on the end is a 3.5m 3-conductor jack - for realtime monitoring with earpieces or headphones. Its gain/volume control is the closest one to that end - logical.
11. The unit provides up to 40db gain, adjustable with the thumbwheel GAIN control.
I have informally tested my USBQ on a 17" MacBook Pro (Mac OS 10.6.8 Snow Leopard) using Skype, Garage Band and Audacity. The MacBook Pro and the programs "sensed" the USBQ as an input device without a hitch. For whatever reason, programs "sensed" the USBQ as an audio output device, too - but that is not a problem, as most users will be at the "Preferences" or "Audio Setup" screens to see levels and make adjustments.
I also plugged the USBQ into a Win98 netbook (2GB RAM, dual-boot system, also with Ubuntu Linux 12.04). And all was "plug and play" there, too, under both Windows and Ubuntu - as Audacity, Skype, and a couple recording apps "saw" the USBQ. Same quirk with the USBQ being "sensed" as an audio output device here, too. But, as before, not a problem.
For mics to test, I used my Heil PR40, Sennheiser MD46, and Heil HM12. For a condenser to test out the phantom power capability of the USBQ, I used a Behringer C1.
I also used not only the included cable, but a longer (3-foot) one - just to see if I could introduce undesired electrical noise into my test recordings. I also used the computers both plugged into AC and just on battery power - to see if there were differences in the results.
Through all the testing, there was no "scratchiness" from the thumbwheel controls while adjusting. Maybe not an important point - since once you get all set, you'll leave them alone. I just mention this because I *was* listening for any such noise.
Although I have seen videos of podcasters using these devices plugged directly into their microphones, that sure isn't how I think of using them. I want it closer to my computer or recorder ... and do not want to extend the length of a mic by plugging it in directly.
In my home office voice recording/VOIP setup, I have been using a PreSonus TubePre (with Tung-Sol 12AX7 tube). Using the PR40, I have been told that I sound fine - and I have never desired any EQ from my preamp. But even without a need for EQ, I sure see a need for the USBQ for field recording: I can "re-create" the slight warmness I achieve with the TubePre/Tung-Sol unit by just bumping up the USBQ's 80Hz EQ a touch.
Unit comes in cardboard, windowed box, with features printed on the back. Also ships with Mini-USB - to - USB cable.


Top down bottom up processing essay examples In the bottom-up processing approach, perception starts at the sensory input, the stimulus.
Will the Real Ernest Hemingway Please Stand Up..
"Ernest Hemingway at standing writing desk on balcony of Bill Davis's home near Malaga where he wrote The Dangerous Summer.
Snowball-- Polydactyl kitten given to Ernest Hemingway by a ship's captain. There are many of these kitties living at the Hemingway Home in Key West,FL.
A picture of American writer Ernest Hemingway.
The Ernest Hemingway Home & Museum in Key West.
Photo of Ernest Hemingway Home & Museum - Key West, FL, United States.
Gertrude Stein with Ernest Hemingway's son, Jack Hemingway (nicknamed Bumby) in 1924. Stein is credited with bringing the term "Lost Generation" into use.


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The UCSF Division of Rheumatology plays a national role in the design and conduct of interventional clinical trials, utilizing a substantial clinical and research infrastructure based at all three of its training sites, including the Rheumatology Clinical Research Center (RCRC) and the University's NIH funded-Clinical and Translational Science Institute. Maria Dall'Era, who directs the RCRC, is the Vice-chair of the Steering Committee of the Lupus Clinical Investigators Network (LuCIN). LuCIN provides support for trainees to participate in various industry-sponsored and investigator-initiated trials. In addition, Maria is a member of the Executive Committee of the international Lupus Nephritis Trials Network, which provides opportunities for trainees to participate in lupus nephritis trials. Jonathan Graf is the director of the UCSF Rheumatoid Arthritis Cohort and has served as the PI or co-investigator on more than a dozen clinical trials and translational studies investigating novel therapeutics and interventional strategies to treat rheumatoid arthritis. These studies range from pre-clinical investigations to multi-centered phase IV trials and include both investigator-initiated and industry-partnered collaborations, funded from a variety of sources that include the NIH and Rheumatology Research Foundation.
Dr. Maria Dall'Era
Dr. Dall'Era is the Director of the UCSF Lupus Clinic, which cares for over 200 patients with systemic lupus erythematosus from all over Northern California. This work has culminated in the demonstration of effective new approaches to induce and maintain remission in people with life-threatening kidney disease due to SLE. Currently, her research focuses on the design and conduct of clinical trials in order to develop safer and more effective medications for the treatment of lupus. Her work also looks at the symptoms, clinical course, treatments, and outcomes of lupus patients in a prospective registry.
Dr. Lianne Gensler, MD
Dr. Jon Graf, MD
Dr. Jon Graf is the Director of the Rheumatoid Arthritis (RA) Clinic at San Francisco General Hospital and co-director of the UCSF RA cohort. Dr. Graf's research interests relate broadly to immune mechanisms in rheumatic disease, spanning from basic laboratory research to studies in humans with RA and other rheumatic disorders. Currently, his research focuses on clinical and translational studies of RA, including studies that look at novel therapeutics, biomarkers, and cardiovascular risk in patients with RA.


When you buy a house, you want to make a good investment. With that in mind, if you're house hunting now, you'd be especially wise to check out any of these spots.
What makes these places so great?
The 2019 Best Places to Buy a House ranking is a deep dive into the housing and community of an area. It factors in a location's housing market, including home values, taxes, crime rates, and quality of local schools, in an effort to measure the quality and stability of an area's real estate market.
If you're looking for a neighborhood a little closer to home, check out our list of great places to buy a house in your area.


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Prince Harry Calls Sick Kids in Desperate Attempt to Prove He's 'Normal'
Prince Harry spoke to families of sick kids to tell them he feels guilty about enjoying himself during global pandemic as death toll rises.
It's good calling when you aren't hanging with rockstars, Harry. | Source: REUTERS/Hannah McKay/Pool/File Photo
Prince Harry has been busy calling families in a bid to cheer them up.
This glimpse into his "challenging" LA life shows a man desperate to be perceived as "normal".
He's trying to lift his spirits, forget about everyone else.
Prince Harry has jumped on the celebrity bandwagon to offer a glimmer of hope to families caring for seriously sick children during the coronavirus pandemic. Not really, it's just a video call. This comes just a day after one of Harry's friends let it slip to the press that he was finding his new life in LA "challenging."
Prince Harry fans react to reports he's finding life in LA challenging, but what's the truth? | Source: Twitter
While supporting families that are going through the wringer is a noble cause, I can't help but feel that Harry is trying to hide behind a facade to distract us from his unhappiness. After all, this is a man that is supposedly trying to evade the public spotlight, but day after day, there's a public display that courts attention. Now, it looks like the mask has finally slipped.
Prince Harry Needs To Take A Look In The Mirror
Going by what we know, Prince Harry is struggling to carve out a life for himself stateside. After being Britain's boy for so long, Harry has thrown himself out of the frying pan and into the fire. When talking to the families via video link, Harry was quick to try and keep up appearances, but it came across as crass and insensitive:
There are a hell of a lot of positives happening. Being able to have family time – so I feel guilty. But you have got to celebrate those moments when you are just rolling around on the floor in hysterics.
Prince Harry speaks to families of sick children during coronavirus pandemic | Source: Instagram
Did the Duke suddenly forget his audience? Did he not realize he was talking to families desperately trying to shield their beloved children from catching a deadly virus? For a man that is usually very poised and attentive, this massive clanger is the giveaway.
Harry will do anything to be perceived as "normal". Perhaps he's been sipping a little too much of LA's CBD-infused green juices, or has he finally cracked under pressure?
Harry has left the royal family in his rearview mirror, but he's also left his senses. Pre-Meghan Harry would've never have boasted about how much fun he's having during a global pandemic that has killed over 135,000 people. He certainly wouldn't have done so when talking to families of highly-vulnerable kids.
Prince Harry is losing fans by the minute, despite his best efforts | Source: Twitter
If this were Donald Trump, the entire world would be in disgusted shock. Because it's Harry, we excuse his blatant inability to read a room, and send him on his way. But, those days are numbered. He is no longer Britain's golden boy.
Come on, Harry. This isn't like you. Wake up and smell the java. You might finally realize that tea wasn't so bad after all.
Disclaimer: The opinions expressed in this article do not necessarily reflect the views of CCN.com.
Meghan Markleprince harry
Kate Prince
Kate Prince is an established lifestyle and entertainment writer from Oxfordshire, England. Kate is a scriptwriter for multiple YouTube channels and writes freelance full-time for a variety of great brands including Buzznet, Investing, CCN, and more. You can contact Kate via email at kateprincewriter@gmail.com. You can also follow her on Twitter or reach her on LinkedIn.
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Home › Television
Get Excited: HBO Announces Month-Long 'Game Of Thrones' Celebration [Details]
By King Sukii
Television 04.05.21
Source: Helen Sloan/ HBO / HBO
T v lovers' all-consuming Game of Thrones fandom will most likely never die down, so HBO is here to quench our GoT thirst.
Marking the tenth anniversary of the Primetime Emmy award-winning show's debut, the network has announced a month-long celebration complete with a spotlight page, a "MaraThrone" of the first season, special edition products, and more.
"The spotlight page provides fans not only with all of the episodes in one easy to access place but it also offers something for newcomers by including introductions to the vast array of characters and locations featured in the show. It also features more spoilerific content for longtime fans, including plenty of easter eggs. On top of that, there are over 150 videos of behind-the-scenes extras for fans to dive into," Complex reports.
According to the site, the season one marathon will begin at 10 a.m. ET, April 10 on HBO2. To go along with the binge-watch, they'll be a challenge that "will see donations made to charities including Women for Women International, World Central Kitchen, and UNICEF among others." "On top of all that, any fan who had a GoT-themed wedding will be given an anniversary gift of their own from HBO, with barrels of wine, custom chalices, and plenty of cakes," Complex continues.
If you're just as obsessed with GoT as we are, click here for more info on what to expect.
By The Numbers: Game Of Thrones Gets Broken Down
binge watch	, game of thrones	, HBO	, marathon	, Newsletter


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Q: UnknownFormatConversionException coming from XML preferences (only on Oneplus One) I'm getting following exception when trying to display ListPreference in a PreferenceFragment.
Note that this happens only on Oneplus One device. I've tried the same on Nexus 4, Moto G and S5 without any issues.
Stack trace:
09-08 14:33:50.434  20107-20107/com.callsign.ferret E/AndroidRuntime﹕ FATAL EXCEPTION: main
Process: com.callsign.ferret, PID: 20107
java.util.UnknownFormatConversionException: Conversion:
        at java.util.Formatter$FormatSpecifierParser.unknownFormatConversionException(Formatter.java:2321)
        at java.util.Formatter$FormatSpecifierParser.advance(Formatter.java:2315)
        at java.util.Formatter$FormatSpecifierParser.parseConversionType(Formatter.java:2394)
        at java.util.Formatter$FormatSpecifierParser.parseArgumentIndexAndFlags(Formatter.java:2365)
        at java.util.Formatter$FormatSpecifierParser.parseFormatToken(Formatter.java:2298)
        at java.util.Formatter.doFormat(Formatter.java:1071)
        at java.util.Formatter.format(Formatter.java:1042)
        at java.util.Formatter.format(Formatter.java:1011)
        at java.lang.String.format(String.java:1803)
        at java.lang.String.format(String.java:1777)
        at android.preference.ListPreference.getSummary(ListPreference.java:168)
        at android.preference.Preference.onBindView(Preference.java:550)
        at android.preference.Preference.getView(Preference.java:489)
        at android.preference.PreferenceGroupAdapter.getView(PreferenceGroupAdapter.java:246)
        at android.widget.AbsListView.obtainView(AbsListView.java:2349)
        at android.widget.ListView.makeAndAddView(ListView.java:1864)
        at android.widget.ListView.fillDown(ListView.java:698)
        at android.widget.ListView.fillGap(ListView.java:662)
        at android.widget.AbsListView.trackMotionScroll(AbsListView.java:5007)
        at android.widget.AbsListView.scrollIfNeeded(AbsListView.java:3424)
        at android.widget.AbsListView.onTouchMove(AbsListView.java:3807)
        at android.widget.AbsListView.onTouchEvent(AbsListView.java:3638)
        at android.view.View.dispatchTouchEvent(View.java:8472)
        at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:2400)
        at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2093)
        at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:2406)
        at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2107)
        at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:2406)
        at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2107)
        at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:2406)
        at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2107)
        at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:2406)
        at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2107)
        at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:2406)
        at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2107)
        at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:2406)
        at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2107)
        at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:2406)
        at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2107)
        at com.android.internal.policy.impl.PhoneWindow$DecorView.superDispatchTouchEvent(PhoneWindow.java:2625)
        at com.android.internal.policy.impl.PhoneWindow.superDispatchTouchEvent(PhoneWindow.java:1770)
        at android.app.Activity.dispatchTouchEvent(Activity.java:2742)
        at android.support.v7.internal.view.WindowCallbackWrapper.dispatchTouchEvent(WindowCallbackWrapper.java:60)
        at com.android.internal.policy.impl.PhoneWindow$DecorView.dispatchTouchEvent(PhoneWindow.java:2586)
        at android.view.View.dispatchPointerEvent(View.java:8667)
        at android.view.ViewRootImpl$ViewPostImeInputStage.processPointerEvent(ViewRootImpl.java:4129)
        at android.view.ViewRootImpl$ViewPostImeInputStage.onProcess(ViewRootImpl.java:3995)
        at android.view.ViewRootImpl$InputStage.deliver(ViewRootImpl.java:3550)
        at android.view.ViewRootImpl$InputStage.onDeliverToNext(ViewRootImpl.java:3603)
        at android.view.ViewRootImpl$InputStage.forward(ViewRootImpl.java:3569)
        at android.view.ViewRootImpl$AsyncInputStage.forward(ViewRootImpl.java:3686)
        at android.view.ViewRootImpl$InputStage.apply(ViewRootImpl.java:3577)
        at android.view.ViewRootImpl$AsyncInputStage.apply(ViewRootImpl.java:3743)
        at android.view.ViewRootImpl$InputStage.deliver(ViewRootImp

preferences.xml loaded to my PreferenceFragment:
<ListPreference
        android:key="@string/pref_key_app_orientation_frequency"
        android:title="@string/pref_app_orientation_frequency"
        android:enabled="false"
        android:entryValues="@array/pref_orientation_frequency_values"
        android:entries="@array/pref_orientation_frequency"/>

arrays.xml containing above referenced arrays:
<string-array name="pref_orientation_frequency_values">
    <item>100</item>
    <item>50</item>
    <item>25</item>
    <item>10</item>
</string-array>

<string-array name="pref_orientation_frequency">
    <item>@string/percent_100</item>
    <item>@string/percent_50</item>
    <item>@string/percent_25</item>
    <item>@string/percent_10</item>
</string-array>

strings.xml containing above referenced strings:
<string name="percent_100">100%</string>
<string name="percent_50">50%</string>
<string name="percent_25">25%</string>
<string name="percent_10">10%</string>

I first thought it was related to the percentage symbol, but removing it didn't solve the issue. I can't see any hint in the stack trace and this issue seems to be device specific.

A: I had the same exception, but in a Galaxy S5.
I solved using '%%' instead of '%' in strings.xml.
<string name="percent_100">100%%</string>
<string name="percent_50">50%%</string>
<string name="percent_25">25%%</string>
<string name="percent_10">10%%</string>

regards

A: Using %% will cause exceptions on some Android versions, different solutions exist as explained here, most of them quite complicated for such a simple task.
I decided to avoid the problem by using the unicode of a smaller version of the percentage character:
﹪

A: Maybe your problem is with summary definition (see log at android.preference.ListPreference.getSummary(ListPreference.java:168) Do you define summary somewhere in code?
I had a similar problem when I defined summary as "21 %" in xml(just for testing):
<ListPreference
...
app:summary="@string/percentage(value 21%)"
/>

this worked well:
<ListPreference
...
app:summary="@string/percentage(value 21%%)"
/>

redpajama_set_name: RedPajamaStackExchange


Sri Lanka Tourism Promotion Bureau in collaboration with the High Commission of Sri Lanka in Malaysia arranged a Tourism Promotion Workshop and a B2B session for leading Malaysian travel agents and senior officials of Malaysia Tourism. The distinguished guests attended the event included H.E. the High Commissioner of Sri Lanka for Malaysia, Chairman &Director General of Malaysia Tourism and Chairman MATTA Selangor Chapter. Over forty key Malaysian travel agents participated in the promotional workshop and the B2B session to meet the Sri Lankan counterparts. This is the first time Sri Lanka has arranged a promotional workshop with the participation of leading tourism stakeholders of the Malaysian travel trade including senior Malaysian government officials and representatives of Malaysian Association of Tour and Travel Agents (MATTA).
The opening remarks delivered by H.E A.J.M Muzammil, Sri Lankan High Commissioner in Malaysia, highlighted 60 years of diplomatic relations between the two countries and the importance of strengthening it further through tourism. Dato Dr.SiewKa Wei, Chairman Malaysian Tourism spoke on the benefits of improving in-bound and out- bound tourism and noted Sri Lanka as one of the greatest destinations for Malaysians to spend their holidays.
A comprehensive destination promotional presentation made by Dushan Wickramasuriya, Director-Public Relations, Sri Lanka Tourism Promotion Bureau, highlightedthe unique tourist attractions of Sri Lanka for Malaysian tourists and the air connectivity between the two countries for easy travel. Malaysian travel agents were encouraged to include Sri Lanka as an ideal holiday destination in their product offerings. Dilshan Kudahetti, Country Manager, Sri Lankan Airlines also made a presentation to promote Sri Lankan Airline which operates 14 flights a week direct to Kuala Lumpur, Malaysia.
The workshop created a platform to connect and develop business links with Malaysian travel agents. It also proved to be an excellent opportunity for Sri Lanka to enhance its promotional activities among the Malaysian travel industry. The event also signified a special moment to both nations as Sri Lanka and Malaysia celebrated 60 years of Diplomatic Relations.
The workshop was held on 12th September following the MATTA travel fair which is Malaysia's premier Business to Consumer (B2C) Travel extravaganza promoted to obtain global exposure, business and travel opportunities for the tourism sector. The fair was held at Putra World Trade Centre (PWTC), Kuala Lumpur, Malaysia. Twelve companies from the tourism industry represented Sri Lanka at the fair. Sri Lanka Tourism Promotion Bureau was represented by Assistant Director Chami Gasnawage.


interaction is a topic covered in the Taber's Medical Dictionary.
Alternating, reciprocating, or mutual influence or effect.
Venes, Donald, editor. "Interaction." Taber's Medical Dictionary, 23rd ed., F.A. Davis Company, 2017. Nursing Central, nursing.unboundmedicine.com/nursingcentral/view/Tabers-Dictionary/732594/all/interaction.
Interaction. In: Venes D, ed. Taber's Medical Dictionary. 23rd ed. F.A. Davis Company; 2017. https://nursing.unboundmedicine.com/nursingcentral/view/Tabers-Dictionary/732594/all/interaction. Accessed April 25, 2019.
Interaction [Internet]. In: Venes D, editors. Taber's Medical Dictionary. F.A. Davis Company; 2017. [cited 2019 April 25]. Available from: https://nursing.unboundmedicine.com/nursingcentral/view/Tabers-Dictionary/732594/all/interaction.


Law & Order, Simpsons, X-files, Pro football.
Dead Poets Society, Insomnia, Remember Me, pulp fiction, diner, flight, what a wonderful life, godfather, scarface, donnie brasco.
Rush, Tool, Soundgarden, Pearl Jam, Adele.
Going for a walk along the Willaimette River, a nice drive to Portland or the coast for lunch, and whatever else happens.
Sky diving, dancing on the lap of a man in a chair is such a turn on, swim naked.
Make someone happy with all the love I have to give, be happy, live healthy and having fun and helping others.
Funny, thoughtful, kind, adventurous, likes to cuddle,.can be serious, understanding.
Simple dinner and a walk somewhere or drive.


WENDELL, N.C. — March 1, 2018 — KIOTI Tractor is introducing its new K9 utility vehicle series with the debut of the K9 2400 model. The K9 Series joins the MECHRON® Series as part of an expanded utility vehicle product offering from KIOTI and includes contemporary styling, enhanced ergonomics and an abundance of storage.
Landowners will benefit from a new automotive-style dash configuration, tilt steering and front/rear independent dual A-arm suspension with CV joint guards. The K9 boasts a 24 horsepower, 3 cylinder, in-line vertical, water-cooled Daedong diesel engine with a ground speed up to 31 mph.
Towing capacity of 1,300 lbs. and payload capacity of 1,598 lbs.
Optional accessories include a rear screen, working lamps, remote hydraulic kit, canopy and windshield.
The K9 Series is available now at authorized KIOTI Tractor dealerships. For more information, please visit www.KIOTI.com.


This is in collaboration with MD and PharmD investigators at the U of MN College of Pharmacy.
Responsive Pharmacotherapy for Reducing/Preventing Epileptic Seizures.
This involves an intracranial EEG device for detecting and predicting seizures developed by Neurovista and being tested in the naturally occurring dog model.
A Novel Cerebral Venous System Mapping and Ablation Technology.
Minnesota Partnership for Biotechnology and Genomics.
This is in collaboration with investigators in the departments of biomedical engineering, neurosurgery, and pediatric neurology at the University of Minnesota, and the Mayo Clinic.
The improved management of baclofen withdrawal: The development of IV baclofen.
This funding is to test the intra-thecal formulation of baclofen (used for children with cerebral palsy) in a escalating IV dosing study in the dogs.
This funding is to support a 40% statistician position for 2 years to help with comparative genetics research of 7 internal CVM investigators.
This grant supports Eva Furrow's resident Masters project, and is in collaboration with Jody Lulich of the CVM's Minnesota Urolith Center.
I am collaborating with Dermatologists at the UMN College of Veterinary Medicine for this grant.
SNP gene mapping for canine epilepsy.
See PubMed, a service provided by the National Library of Medicine.