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Earth

Another WW-I Chemical Site In Washington, DC 249

WrongSizeGlass writes "The AP is reporting that the US Army Corps of Engineers has uncovered what appears to be the fourth major disposal area for World War I-era munitions and chemical weapons in the nation's capital. Digging was suspended at a construction site after 'workers pulled smoking glassware from the pit — preliminary tests show the glassware was contaminated with the toxic chemical arsenic trichloride. ... Workers also discovered a jar about three-quarters full of a dark liquid that turned out to be the chemical agent mustard.' Someone needs to remind our government of the meaning of NIMBY."
Image

Woman Claims Wii Fit Caused Persistent Sexual Arousal Syndrome Screenshot-sm 380

Amanda Flowers always liked her Wii Fit but now she can't get enough of it. Amanda claims a fall from her balance board damaged a nerve and has left her suffering from persistent sexual arousal syndrome. From the article: "The catering worker said: 'It began as a twinge down below before surging through my body. Sometimes it built up into a trembling orgasm.' A doctor diagnosed her with persistent sexual arousal syndrome due to a damaged nerve."
Hardware Hacking

Where To Start In DIY Electronics? 301

pyrosine writes "I've been thinking about this for a while and have no idea where to start. I have little or no previous experience in electronics — just what is covered in GCSE physics (wiring a plug and resistors — not much, I know). The majority of my interest lies in the wireless communication side of the field — i.e. ham radios and CB — but I am also interested in how many things work, one example being speakers, simply to better understand it. I would preferably like to start with some form of practical guide rather than learning the theory first, but where I would find such a walkthrough eludes me."

Comment Re:5th year? (Score 1) 419

Right, the lack of standardization seems more a problem than a lack of any performance metric at all. "Show and tell" style assignments (or fewer larger projects) in which people describe all of the fun geeky things they did seem like they would work reasonably well in that sort of model, but this would be hard enough to compare against other students in the same class, much less across schools or districts.

But it may even be possible to keep the standardized tests and just alter the nature of the day to day assigned work. Most of the really bright people we're talking about here would probably do well on them regardless. But then havoc gets raised if the numbers start to slip at all, even if the result is truly a more educated student body, people demand that the system become more proactive in addressing the "problem", and the system is back at square one...

Comment Useless as a home technology (Score 1) 56

To perform an assay, the doctor only has to place the relevant substances (reagents, etc) into the cartridge and the test then takes place automatically

By the time you're going to a doctor you may as well get the sample drawn in the doctor's office or a lab. Until you can perform "over the counter" tests with it, it's useless in the home.

Comment Re:5th year? (Score 1) 419

Given the choice between learning college level work in a high school and learning it in a college, I would take the college any day. It makes more sense to use the funds to give these students state-sponsored scholarships to the colleges of their choice rather than tying them down to another year of high school.

Comment Re:5th year? (Score 3, Insightful) 419

1/3 of the time letting my students "run wild", applying what they had learned, and generally just screwing around and LEARNING stuff. No, not the stuff on the checklist.

If this was a year before college where students could just play, use what they had learned, create things, and explore the world, then it would be FANTASTIC! We'd be producing some really amazing scientists and engineers.

Bingo! Someone else who gets it. The message we're sending right now is "if you're smart we're going to make you work harder" when it should be closer to "Hey, look at how cool this is! Try it out! I can tell you more about it if you're interested..."

Seriously, lots of intelligent people have this amazing propensity to learn about stuff on their own and many have fun doing it. As educators we should be assisting them in this mission rather than trying to brutally suppress their interests in favor of some canned curriculum.

Science

The Fruit Fly Drosophila Gets a New Name 136

G3ckoG33k writes "The name of the fruit fly Drosophila melanogaster will change to Sophophora melangaster. The reason is that scientists have by now discovered some 2,000 species of the genus and it is becoming unmanageably large. Unfortunately, the 'type species' (the reference point of the genus), Drosophila funebris, is rather unrelated to the D. melanogaster, and ends up in a distant part of the relationship tree. However, geneticists have, according to Google Scholar, more than 300,000 scientific articles describing innumerable aspects of the species, and will have to learn the new name as well as remember the old. As expected, the name change has created an emotional (and practical) stir all over media. While name changes are frequent in science, as they describe new knowledge about relationships between species, these changes rarely hit economically relevant species, and when they do, people get upset."
HP

HP Reports Memory Resistor Breakthrough 141

andy1307 writes "Hewlett-Packard scientists on Thursday will report advances demonstrating significant progress in the design of memristors, or memory resistors. The researchers previously reported in The Proceedings of the National Academy of Sciences that they had devised a new method for storing and retrieving information from a vast three-dimensional array of memristors. The scheme could potentially free designers to stack thousands of switches on top of one another in a high-rise fashion, permitting a new class of ultra-dense computing devices even after two-dimensional scaling reaches fundamental limits."
Programming

New AI Challenge Is All About Wanton Destruction 45

togelius writes "Previous years have seen a number of car racing competitions where neural nets, rule-based systems and other fancy AI techniques have been put to the test by letting them drive on a track and seeing who gets the best lap time. Recognizing that finding the Michael Schumacher of AI is not enough, a team of researchers from University of Wuerzburg now wants to find the Mad Max of AI. Their new competition is called 'Demolition Derby' and the goal is to 'wreck all opponent cars by crashing into them without getting wrecked yourself.' For this, they use the open-source TORCS game and a custom AI interface, allowing all and any AI researchers and enthusiasts (including you!) to submit their best and most aggressive controllers." (There's a competition for conventional racing, too; competitors can enter either or both.)

Comment Misleading (Score 1) 586

This article is misleading, suggesting that any old magnetic field can alter someone's morality.

In reality, transcranial magnetic stimulation temporarily disrupts part of the brain. It can blind you, cause you to lose feeling in parts of your body, or cause temporary aphasia (not the sort of thing you'd generally like to be subject to given that we don't understand exactly how functions are localized within the brain). All that this demonstrates is that it can alter one's ability to reason out a person's morality as well. This is not necessarily even a specific response - for all we know it could be disrupting the subjects' ability to empathize with the characters or understand the story altogether.

It is however somewhat interesting that the behavior elicited when the TMS was applied became more utilitarian than deontological - one philosophy is not necessarily better than the other. I'd question whether their morality was impaired at all. Perhaps it was the morality they had been conditioned to accept that was disrupted. The "memory" of their moral training, so to speak.

Biotech

Magnetism Can Sway Man's Moral Compass 586

Hugh Pickens writes "Discovery News reports that scientists have identified a region of the brain which appears to control morality and discovered that a powerful magnetic field can scramble the moral center of the brain, impairing volunteers' notion of right and wrong. 'You think of morality as being a really high-level behavior,' says Liane Young, a scientist at MIT and co-author of the article. 'To be able to apply (a magnetic field) to a specific brain region and change people's moral judgments is really astonishing.' Young and her colleagues used functional magnetic resonance imaging to locate an area of the brain just above and behind the right ear known as the right temporo-parietal junction (RTPJ), which other studies had previously related to moral judgments. Volunteers were exposed to transcranial magnetic stimulation (TMS) for 25 minutes before reading stories involving morally questionable characters, and being asked to judge their actions. The researchers found that when the RTPJ was disrupted volunteers were more likely to judge actions solely on the basis of whether they caused harm — not whether they were morally wrong in themselves. The scientists didn't permanently remove the subjects' moral sensibilities and on the scientists' seven point scale, the difference was about one point, averaging out to about a 15 percent change, 'but it's still striking to see such a change in such high level behavior as moral decision-making.' Young points out that the study was correlation; their work only links the RTJP, morality, and magnetic fields, but doesn't definitively prove that one causes another."

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