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Robotics

Folding Nanosheets To Build Components 29

Nakeot writes "In the continuing efforts to build faster and smaller components, a group of researchers at MIT have constructed a basic prototype device that folds materials only hundreds of microns across. Mechanical engineer and Associate Professor of Mechanical Engineering George Barbastathis leads the charge into 'nano-origami' machines involving, the article reads, 'a new technique that allows engineers to fold nanoscale materials into simple 3-D structures' (more details available on MIT's page). The group had worked in 2005 with MIT Associate Professor Yang Shao-Horn to build a single-fold nano-capacitor (PDF, or see Google's HTML version), and this work appears to automate their 2005 process. A comment on the posted video appears to suggests this device is not completely automated yet, however. (This should not be confused with Paul Rothemund's slightly-more-ahead DNA-origami technology.)"
Businesses

Jobs On Track For June Return 122

nandemoari writes "On Tuesday, Apple shareholders gathered at Apple's Cupertino corporate campus continued their pursuit of details regarding Apple chief Steve Jobs' health. They didn't get a whole heck of a lot of information out of Apple's executives, but they did receive some encouraging news on Jobs' status. Timothy Cook, Apple's chief operating officer, assured shareholders that Jobs still planned to return to the company in June. Jobs obviously wasn't present at the meeting, which might have made it rather uncomfortable when several stockholders stood to sing 'Happy Birthday.' Jobs' 54th passed on Tuesday."
Power

Motor Made From Liquid Film 241

KentuckyFC writes "Last year, a group of Iranian physicists made a puzzling discovery. They placed a thin film of water in a small cell and bathed it in two perpendicular electric fields. To their surprise this caused the water to rotate. They called their device a liquid film motor and posted on the web a cool set of movies showing the phenomenon. The puzzle is this: the electric fields are static, so what's driving the motor? Now another group of physicists has the answer: a complex interaction between the electric field, the cell container and the liquid causes water to move along the cell wall. Crucially, it moves in opposite directions on opposite sides of the cell and so sets up a circular flow. The phenomenon works only when friction and surface tension are significant forces so the effect is entirely scale dependent. That's probably why we haven't seen it before and also why it could have important implications for microfluidic devices such as lab-on-a-chip."
Image

Crocodiles With Frickin' Magnets Attached to Their Heads 304

Brickwall writes "Florida, faced with a problem of crocodiles returning to residential neighborhoods after being relocated elsewhere, is trying to solve it by affixing magnets to the crocs' heads. The theory is the crocodiles use the Earth's magnetic field for navigation, and the magnets may interfere with that. What I'd like to know is, whose job is it to put the magnets on?" So far the magnet program appears to be working, unfortunately the crocs have started to collect huge amounts of take-out menus and child artwork.
Image

$50,000 Claim Filed Over Girl's Time-out In School 11

A $50,000 lawsuit alleges that Greenfield Middle School teachers falsely imprisoned a girl when she was put in a time-out room, and that the experience caused the girl to hyperventilate, feel nauseous, and understand that some actions are unacceptable. Greenfield Superintendent Conrad Farner said he could not respond specifically to the allegations, in order to protect the privacy of the student, but said,"I'm confident that the district has acted in an appropriate manner and will continue to do so."
Social Networks

Twitter Leads Social Networks In Downtime 175

illectro writes "A study on site availability by monitoring service Pingdom shows that in 2008 Twitter greeted users with the 'Fail Whale' for more than 84 hours, almost twice as much as any other site. At the other end of the scale imeem and Xanga managed less than 4 hours of downtime for 99.95% uptime. Myspace, Facebook and Classmates.com were the only other sites studied which managed to stay up more than 99.9% of the time."
Earth

Submission + - Arctic Ice Extent Underestimated by bad sensor

dtjohnson writes: The National Snow and Ice Data Center (NSIDC) has been at the forefront of predicting doom in the arctic as ice melts due to global warming. In May, 2008 they went so far as to predict that the North Pole would be ice-free during the 2008 'melt season' leading to a lively slashdot discussion. Today, however, they say that they have been the victims of 'sensor drift' that lead to an underestimation of arctic ice extent by as much as 500,000 square kilometers. The problem was discovered after they received emails from puzzled readers, asking why obviously sea-ice-covered regions were showing up as ice free open ocean. It turns out that the NSIDC relys on an older, less-reliable method of tracking sea ice extent called SSM/I that does not agree with a newer method called AMSR-E. So why doesn't NSIDC use the newer AMSR-E data? "We do not use AMSR-E data in our analysis because it is not consistent with our historical data." Turns out that the AMSR-E data only goes back to 2002 which is probably not long enough for the NSIDC to make sweeping conclusions about melting. The AMSR-E data is updated daily and is available to the public. Thus far, sea ice extent in 2009 is tracking ahead of 2005, 2006, 2007, and 2008 so the predictions of an ice free north pole might be premature.
Mars

Submission + - Mars winds clean Spirit's solar panels again (nasa.gov)

Titoxd writes: "In a blast from the past, NASA reports that Spirit's solar panels have received a much-needed cleaning courtesy of the Red Planet. The report states, "The cleaning boosts Spirit's daily energy supply by about 30 watt-hours, to about 240 watt-hours from 210 watt-hours. The rover uses about 180 watt-hours per day for basic survival and communications, so this increase roughly doubles the amount of discretionary power for activities such as driving and using instruments. Thirty watt-hours is the amount of energy used to light a 30-watt bulb for one hour.""
Input Devices

Don't Like EULAs? Get Your Cat To Agree To Them 874

An anonymous reader writes "Anne Loucks built a device which, when her cat steps on it, can click the 'I Agree' button of a EULA. Who knows what the lawyers will make of this sort of madness. Can a cat make a legal agreement? Does it need to be of legal age? She lures the cat onto the device, and the cat steps on it of its own free will. Anyway, folks who hate EULAs now have another tool to make the lawyers freak out."
Image

Buddhist Temple Built Out of One Million Beer Bottles 5

Buddhist monks have recycled over one million used bottles to build a temple in Khun Han, Thailand near the Cambodian border. The monks started collecting bottles in 1984 and gathered so many that they decided to use them as a building material. Wat Lan Kuad or 'the Temple of a Million Bottles', is a complex of around 20 buildings, comprising the main temple over a lake, crematorium, prayer rooms, a hall, water tower, tourist bathrooms and several small bungalows raised off the ground which serve as monks quarters, all using bottles. The monks plan on expanding once they have more bottles. Abbot San Kataboonyo says, "The more bottles we get, the more buildings we make."
Security

Hackers Jump On Newest IE7 Bug 162

CWmike writes "Attackers are already exploiting a bug in Internet Explorer 7 that Microsoft patched just last week, security researchers warned today. Although the attacks are currently in 'very, very small numbers,' they may be just the forerunner of a larger campaign, said Trend Micro's Jamz Yaneza. 'I see this as a proof-of-concept,' said Yaneza, who noted that the exploit's payload is extremely straightforward and explained that there has been no attempt to mask it by, say, planting a root kit on the victimized PC at the same time. 'I wouldn't be surprised to see this [exploit] show up in one of those Chinese exploit kits,' he added. The new attack code, which Trend Micro dubbed 'XML_Dloadr.a,' arrives in a spam message as a malicious file masquerading as a Microsoft Word document."

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