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Asteroids to fly by Earth on Wednesday: NASA

九月 08 2010

File photo of an asteroid near Earth.

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A starry-eyed mission

九月 06 2010

A NASA image of a solar flare. NASA's upcoming project is an ambitious foray into the sun's atmosphere. File photo

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Author Hawking Says God Not Needed for Creation

九月 03 2010

Did creation need a creator?

British physicist and mathematician Stephen Hawking, shown in this file photo, argues in his new book that there need not be a God behind the creation of the universe. (Frederick M. Brown/Getty Images)

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Space-based detector could find anti-universe

八月 30 2010

Staff attempt to load the Alpha Magnetic Spectrometer (AMS) detector into a U.S. Air Force Galaxy aircraft during last preparations at Cointrin Airport in Geneva August 25, 2010. REUTERS/Denis Balibouse

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Kepler probe finds two Saturn-sized planets orbiting a single star 2,000 light years away

八月 29 2010

Two giant Saturn-sized planets have been spotted passing in front of the same star, Nasa scientists announced today.
It is the first time more than one planet has ever been discovered ‘transiting’ a single star.
The two planets were discovered by the space telescope Kepler and will give scientists vital information about how planets were formed and how they interact with each other.
Kepler scientists have also identified what appears to be a third, much smaller possible planet which is around 1.5 times the size of Earth but which is orbiting in a scorching 1.6 day-orbit very close to the sun.

An artist's impression of the two Saturn-sized planets as they orbit the same star

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MIT builds swimming, oil-eating robots

八月 27 2010

Nanotechnology used in autonomous robots that could work in swarms to clean up oil spills

MIT researchers have used nanotechnology to develop a robot that can autonomously navigate across the surface of the ocean to clean up an oil spill.

Scientists envision using a fleet of the devices, dubbed a Seaswarm, to clean up oil spills more efficiently and at less cost than current methods, according to the university. Researchers report that a fleet of 5,000 Seaswarm robots would be able to clean a spill the size of the recent one in the Gulf of Mexico in a single month.

MIT's Seaswarm robot for cleaning oil spills. (Photo courtesy of MIT.)

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