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‘Global’ 目录存档

Chinese Supercomputer Wrests Title From U.S.

十月 28 2010

A Chinese scientific research center has built the fastest supercomputer ever made, replacing the United States as maker of the swiftest machine, and giving China bragging rights as a technology superpower.

The Tianhe-1A computer in Tianjin, China, links thousands upon thousands of chips.

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Moon’s Silver Hints at Lunar Water Origins

十月 23 2010

A picture of Cabeus crater taken by NASA's Lunar Reconnaissance Orbiter.

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Moon crash kicks up ice, silver, mercury: NASA

十月 22 2010

Moon crash kicks up ice, silver, mercury: NASA

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Massive collision between two asteroids 90million miles from Earth caught on camera for first time

十月 15 2010

This image obtained from NASA shows the first snapshots of a suspected asteroid collision captured by the Hubble Space telescope

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Scientists get a close-up of scene of a recent asteroid collision

十月 14 2010

The scientists calculated that the collision occurred about Feb. 10, 2009. The discovery of the relatively recent event is a rare treat for astronomers, who study events from eons ago.

NASA's Hubble Space Telescope has observed a mysterious X-shaped debris pattern and streamers of dust that suggest a head-on collision between two asteroids. Such a smashup has never been seen before. (NASA, ESA, D. Jewitt)

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Bill Gates Donates $20 Million!

十月 12 2010

Bill Gates Donates $20 Million!

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