India's Human Resource Development Minister Kapil Sibal has 'launched' a $35 computer. The touch-screen, Linux-based device looks iPad-inspired. It emerged from a student project with a bill of material adding up to $47, a price that the minister wants to bring down to $10 'to take forward inclusive education'. It promises browser and PDF reader, wi-fi, 2GB memory, USB, Open Office, and multimedia content viewers and interfaces. The device has been developed by Indian Institute of Technology and the Indian Institute of Science and is named as Sakshat tablet, and is aimed to be released by 2011.
Tuesday, July 27, 2010
$35 Computer
Thursday, July 15, 2010
Why do we dream?
Thu, Jul 15, 2010
Scientists may have uncovered why we dream - it could be a crucial tool for sorting and filing information and discarding mental trash, says an Australian researcher. "It's a way of allowing your brain to recover and consolidate all the memories and activities of the previous day, like filing time," The Daily Telegraph quoted Prof Drew Dawson from the Centre For Sleep Research at the University of South Australia, as saying.
If we give someone a complex new task to learn and we let them sleep but don't let them dream, they're almost as bad the next day as if they didn't sleep at all. Prof Dawson said: "Your brainwaves while you're dreaming actually look very similar to your brainwaves when you are awake." This has led some scientists to theorise that dreaming is an evolutionary survival mechanism, which helps keep our brain alert. Prof Dawson said: "It might prevent you getting so deeply asleep that you would be vulnerable if you needed to wake up quickly." Brainwave tests on animals demonstrate all mammals dream, however, whether dogs and cats and other species actually have visual dreams is impossible to know.
Prof Dawson said: "It's reasonable to think they probably do, but we don't know for sure." Sleep and fatigue expert Dr Stuart Baulk believes humans were essentially paralysed when they entered dream sleep, with muscle tone changing to prevent the body moving around. Occasionally, some people experienced "sleep paralysis", where they woke and were fully conscious but still paralysed and seeing dreamlike images.
Monday, July 12, 2010
YouMint!!
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Thursday, July 1, 2010
World's first flying car
Thu, Jul 1, 2010
World's first flying car, that was caught in a legal snarl in the US, has been given the green signal. It is developed by Boston-based Terrafugia Transition. The car-cum-plane vehicle called 'the flying car' has got the waiver on its weight from the American Federal Aviation Administration (FAA) making it a reality.
Under FAA rules, the flying car -- categorised as a 'light sport' aircraft -- was required to be strictly under 1,320 pounds in weight. But with the addition of car safety features such as airbags, crumple zones and a safety cage, the vehicle overshot the weight-limit. Costing about $200,000, the flying car will travel up to 725 km in the air at a speed of more than 115 km per hour.
Fuelled by gasoline, it will have front-wheel drive on the road and a propeller for flight. With its wings folded, it can be parked in an ordinary car garage. It says tests have shown that the vehicle can drive, fly and switch from being a plane to a car in just 30 seconds.
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