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Science

'Antimagnet' Cloak Hides Objects From Magnetic Fields 87

Posted by Soulskill from the don't-let-ian-mckellan-get-his-hands-on-this dept.
ananyo writes "Researchers have made a cloak that can hide objects from static magnetic fields, realizing a theoretical prediction they made last year. This 'antimagnet' could have medical applications, but could also be used to subvert airport security. The cloak's interior is lined with turns of tape made from a high-temperature superconductor. Superconductors repel magnetic fields, so any magnetic field enclosed within a superconductor would be undetectable from outside. But the superconductor itself would still perturb an external magnetic field, so the researchers coated its external side with an ordinary ferromagnet. The superconductor tries to repel external field lines, whereas the ferromagnet tries to draw them in — together, the two layers cancel each other out (abstract)."
Government

As Nuclear Reactors Age, the Money To Close Them Lags 292

Posted by samzenpus from the what-could-go-wrong dept.
Harperdog writes "A worrying bit of news about nuclear reactors in the U.S. from the NYT: 'The operators of 20 of the nation's aging nuclear reactors, including some whose licenses expire soon, have not saved nearly enough money for prompt and proper dismantling. If it turns out that they must close, the owners intend to let them sit like industrial relics for 20 to 60 years or even longer while interest accrues in the reactors' retirement accounts.'"
Power

Scientists Discover Link Between Trees and Electricity 173

Posted by samzenpus from the lightning-leaf dept.
An anonymous reader writes "Everyone knows trees give us all oxygen so we can breathe, but according to Australian scientists, they also affect the concentration of positive and negative ions in the air. A team from the Queensland University of Technology's International Laboratory for Air Quality and Health ran experiments in six locations all over Brisbane and found that positive and negative ion concentrations in the air were two times higher in heavily wooded areas than in open grassy areas, such as parks."
Moon

Elementary School Kids Explore the Moon At Close Range 42

Posted by samzenpus from the permission-and-release-form dept.
sighted writes "The twin robotic spacecraft that make up the new GRAIL mission to map the moon's gravity include small cameras in addition to their primary scientific instruments. The first images from those cameras, as selected by school kids, were downlinked to Earth on March 20. 'MoonKAM is based on the premise that if your average picture is worth a thousand words, then a picture from lunar orbit may be worth a classroom full of engineering and science degrees,' said Maria Zuber, GRAIL mission principal investigator."
Medicine

Researchers May Have Discovered How Memories Are Encoded In the Brain 185

Posted by timothy from the enduring-mystery dept.
Zothecula writes "While it's generally accepted that memories are stored somewhere, somehow in our brains, the exact process has never been entirely understood. Strengthened synaptic connections between neurons definitely have something to do with it, although the synaptic membranes involved are constantly degrading and being replaced – this seems to be somewhat at odds with the fact that some memories can last for a person's lifetime. Now, a team of scientists believe that they may have figured out what's going on. Their findings could have huge implications for the treatment of diseases such as Alzheimer's."
Math

Blackjack Player Breaks the Bank At Atlantic City 294

Posted by timothy from the applied-mathematics dept.
Hugh Pickens writes with a link to Atlantic writer Mark Bowden's account of how one gambler has cleaned up against casinos: "[B]lackjack player Don Johnson won nearly $6 million playing blackjack in one night, single-handedly decimating the monthly revenue of Atlantic City's Tropicana casino after previously taking the Borgata for $5 million and Caesars for $4 million. How did Johnson do it? For one thing, Johnson is an extraordinarily skilled blackjack player. 'He plays perfect cards,' says Tony Rodio. But that's not enough to beat the house edge. As good as Johnson is at playing cards, his advantage is that he's even better at playing the casinos. When revenues slump as they have for the last five years at Atlantic City, casinos must rely more heavily on their most prized customers, the high rollers who wager huge amounts and are willing to lessen its edge for them primarily by offering discounts, or 'loss rebates.' When a casino offers a discount of, say, 10 percent, that means if the player loses $100,000 at the blackjack table, he has to pay only $90,000."
Medicine

Aspirin Helps Prevent Cancer, New Studies Show 132

Posted by timothy from the more-aspirin-ya-got-the-healthier-ya-are dept.
kkleiner writes "For years, research has shown that aspirin is beneficial in preventing heart attacks. Now new studies support its ability to prevent cancer as well. The studies, involving tens of thousands of participants over many decades, show reductions of cancer incidence (both short- and long-term) and mortality rate as well as a decrease in metastatic cancer. It still is not known exactly how aspirin and cancer are connected, but those between the ages of 45-50 will now likely consider taking low-dose aspirin daily for the remainder of their lives."
Music

Judge Rules Pi-Based Music Is Non-Copyrightable 183

Posted by timothy from the but-don't-go-stealing-from-feigenbaum dept.
New submitter AnalogDiehard writes "A copyright case alleging infringement of a 1992 Lars Erickson song 'The Pi Symphony' by Michael John Blake's 'What Pi Sounds Like' was dismissed by U.S. District Court Judge Michael H. Simon. Both pieces were conceived by assigning numbers to musical notes, then deriving a melody based on the pattern defined by a finite set of numbers in Pi. Judge Simon wrote in his legal opinion, intentionally announced on Pi day (3/14), that 'Pi is a non-copyrightable fact.' While the Judge did not invalidate the Erickson copyright, he ruled that 'Mr. Erickson may not use his copyright to stop others from employing this particular pattern of musical notes.' The judge further ruled that the two pieces were not sufficiently similar — for instance, its harmonies, structure and cadence are all different."
NASA

Mystery Rising Within Mercury 120

Posted by samzenpus from the rising-mecury dept.
astroengine writes "Something besides volcanic eruptions and asteroid and comet impacts has sculpted the surface of Mercury — an unknown process, possibly still going on today, that causes the ground to swell from the inside out. The evidence, collected by NASA's MESSENGER spacecraft currently orbiting the innermost planet, is scattered all over Mercury, including a dramatic finding that half of the floor of the biggest crater on the planet has been raised above the walls. The MESSENGER team's findings were announced at the Lunar and Planetary Science Conference in Houston on Wednesday and will be published in this week's Science."
Earth

Historic Heat In North America Turns Winter To Summer 618

Posted by samzenpus from the hotter-than-hot dept.
An anonymous reader writes "A huge, lingering ridge of high pressure over the eastern half of the United States brought summer-like temperatures to North America in March 2012. The warm weather shattered records across the central and eastern United States and much of Canada. From the article: 'Records are not only being broken across the country, they're being broken in unusual ways. Chicago, for example, saw temperatures above 26.6Celsius (80Fahrenheit) every day between March 14-18, breaking records on all five days. For context, the National Weather Service noted that Chicago typically averages only one day in the eighties each in April. And only once in 140 years of weather observations has April produced as many 80Fahrenheit days as this March.'"
GNOME

Garden Gnome Tests Earth's Gravity 144

Posted by samzenpus from the he's-not-heavy dept.
sciencehabit writes "Researchers have long hypothesized that objects weigh less at Earth's equator because the planet's spin and shape lessen gravity's pull there versus at the poles. Satellite accelerometers have confirmed this, but a digital scale manufacturer decided to test things the old-fashioned way. Enter the Kern garden gnome. When placed on a scale at the South Pole, the intrepid ornament weighed 309.82 grams versus 307.86 grams at the equator, a difference of 0.6%."
Science

University Makes 80,000 Einstein Documents Publicly Available 63

Posted by samzenpus from the what-do-you-think-Einstein? dept.
orgelspieler writes "The Hebrew University of Jerusalem has scanned in some 80,000 of Albert Einstein's documents. According to the university's press release, the documents cover more than just scientific matters. The broad range of subjects include his solution to the Jewish-Arab conflict, a postcard to his mother, and a letter from one of his mistresses asking for assistance getting to America. Some documents have been translated and annotated and are completely searchable."
Medicine

Killing Cancer With Engineered Viruses 144

Posted by samzenpus from the enemy-of-my-enemy dept.
techfun89 writes "Viruses can make us all sick, but one day could be engineered to defeat cancer. Cancer cells have one trait that may leave them open to attack. They aren't good at killing off viral infections, hence, at least in theory, you could use a virus to kill cancer cells without affecting the patient. Dr. Ian Mohr, a virologist at New York University, altered the herpes virus so that it isn't attacked by the immune system and kills cancer cells more efficiently. Another virus that is proving effective for liver cancer is Vaccinia. Vaccinia is used to protect against smallpox and so far the results have been promising. Several groups of patients have had an increase in survival times. Meanwhile other viruses are being used for things like melanoma, bladder cancer, and head and neck cancer."
Science

Camera Can See Around Corners 64

Posted by samzenpus from the no-place-to-hide dept.
ananyo writes "Scientists at the Massachusetts Institute of Technology in Cambridge have created a camera that is able to record images of objects hidden behind walls. They fire a pulse of laser light at a wall on the far side of the hidden scene, and record the time at which the scattered light reaches a camera. Photons bounce off the wall onto the hidden object and back to the wall, scattering each time, before a small fraction eventually reaches the camera, each at a slightly different time. The camera captures this time-of-flight information and uses it to reconstruct an image of the hidden object (abstract)."
Education

Tennessee Passes Bill That Allows "Teaching the Controversy" of Evolution 1108

Posted by samzenpus from the inherit-the-wind-II dept.
Layzej writes "The Tennessee Senate has passed a bill that allows teachers to 'teach the controversy' on evolution, global warming and other scientific subjects. Critics have called it a 'monkey bill' that promotes creationism in classrooms. In a statement sent to legislators, eight members of the National Academy of Science said that, in practice, the bill will likely lead to 'scientifically unwarranted criticisms of evolution.' and that 'By undermining the teaching of evolution in Tennessee's public schools, HB368 and SB893 would miseducate students, harm the state's national reputation, and weaken its efforts to compete in a science-driven global economy.'"
Patents

Supreme Court Limits Patents Based On Laws of Nature 173

Posted by Unknown Lamer from the there-goes-my-falling-off-a-bridge-patent dept.
New submitter sed quid in infernos writes "The Supreme Court issued a unanimous opinion yesterday holding that 'to transform an unpatentable law of nature into a patent-eligible application of such a law, a patent must do more than simply state the law of nature while adding the words "apply it."' The Court invalidated a patent on the process of adjusting medication dosage based on the levels of specific metabolites in the patient's blood. The opinion sets forth a process for determining patent eligibility for patent claims that include a law of nature. The court wrote that the "additional features" that show an application of the law must "provide practical assurance that the [claimed] process is more than a drafting effort." This language suggests that the burden will be on the patentee to prove that its limitations are more than patent attorney tricks.'"
Businesses

The Numbers Behind the Copyright Math 311

Posted by Soulskill from the each-song-is-worth-all-the-songs dept.
TheUnknownCoder writes "The MPAA claims $58 billion in actual U.S. economic losses and 373,000 lost jobs due to piracy. Where are these numbers coming from? Rob Reid puts these numbers into perspective in this TED Talk, leaving us even more puzzled about the math behind copyright laws. 'Ignoring improbabilities like pirated steaks and daffodils, I looked at actual employment and headcount in actual content industries, and found nothing approaching the claimed losses. There are definitely concrete and quantifiable piracy-related losses in the American music industry. The Recording Industry Association’s website has a robust and credible database that details industry sales going back to 1973, which any researcher can access for a few bucks (and annoying as I’ve found the RIAA to be on certain occasions, I applaud them for making this data available). I used it to compare the industry’s revenues in 1999 (when Napster debuted) to 2010 (the most recent available data). Sales plunged from $14.6 billion down to $6.8 billion — a drop that I rounded to $8 billion in my talk. This number is broadly supported by other sources, and I find it to be entirely credible. But this pattern just isn’t echoed in other major content industries.'"
Space

Possible Supernova In Nearby Spiral Galaxy 69

Posted by Soulskill from the sorry-about-your-luck-aliens dept.
New submitter Zburatorul writes "In an electronic telegram to the IAU, an Italian astronomer reports his discovery of a possible supernova (magnitude R = 15) near spiral galaxy M95 on images taken March 16th. Many more independent and confirming observations are trickling in. The Bad Astronomer, Phil Plait, has a more layman-friendly article about it. The bad news: it won't be visible with the naked eye. The good news: it's not going to kill us."
Power

Optimize Offshore Wind Farms Using Weather Modeling 111

Posted by Soulskill from the any-way-the-wind-blows dept.
An anonymous reader sends this excerpt from a Stanford news release: "Politics aside, most energy experts agree that cheap, clean, renewable wind energy holds great potential to help the world satisfy energy needs while reducing harmful greenhouse gases. Wind farms placed offshore could play a large role in meeting such challenges, and yet no offshore wind farms exist today in the United States. In a study just published in Geophysical Research Letters, a team of engineers at Stanford has harnessed a sophisticated weather model to recommend optimal placement of four interconnected wind farms off the coast of the Eastern United States, a region that accounts for 34 percent of the nation’s electrical demand and 35 percent of carbon dioxide emissions. ... Among its findings, the Stanford model recommended a farm in Nantucket Sound, precisely where the controversial Cape Wind farm has been proposed. The Cape Wind site is contentious because, opponents say, the tall turbines would diminish Nantucket’s considerable visual appeal. By that same token, the meteorological model puts two sites on Georges Bank, a shallows located a hundred miles offshore, far from view in an area once better known for its prodigious quantities of cod. The fourth site is off central Long Island."
Mars

Elon Musk: Future Round-Trip To Mars Could Cost Under $500,000 238

Posted by Soulskill from the colonized-by-rich-people dept.
An anonymous reader writes with this quote from the BBC: "Rocket entrepreneur Elon Musk believes he can get the cost of a round trip to Mars down to about half a million dollars. The SpaceX CEO says he has finally worked out how to do it, and told the BBC he would reveal further details later this year or early in 2013. ... 'My vision is for a fully reusable rocket transport system between Earth and Mars that is able to re-fuel on Mars — this is very important — so you don't have to carry the return fuel when you go there,' he said. 'The whole system [must be] reusable — nothing is thrown away. That's very important because then you're just down to the cost of the propellant.' ... He conceded the figure was unlikely to be the opening price — rather, the cost of a ticket on a mature system that had been operating for about a decade. Nonetheless, Musk thought such an offering could be introduced in 10 years at best, and 15 at worst."

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