Archive: 17/12/2012

Asteroid Toutatis slowly tumbles by earth

(—Scientists working with NASA's 230-foot-wide (70-meter) Deep Space Network antenna at Goldstone, Calif., have generated a series of radar data images of a three-mile-long (4.8-kilometer) asteroid that made its ...

dateDec 17, 2012 in Space Exploration
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Image: Data from Venus

On Dec. 14, 1962, NASA's Mariner 2 spacecraft sailed close to the shrouded planet Venus, marking the first time any spacecraft had ever successfully made a close-up study of another planet. It flew by Venus as planned at ...

dateDec 17, 2012 in Space Exploration
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Nano oscillators synchronized by light

(—Synchronization phenomena are everywhere in the physical world—from circadian rhythms to side-by-side pendulum clocks coupled mechanically through vibrations in the wall. Researchers have now demonstrated synchronization ...

dateDec 17, 2012 in Nanophysics
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Plutonium at 150 years

Planning the future needs of the U.S. nuclear weapons stockpile as well as the nuclear weapons complex depends in part on maintaining confidence in the long-term stability of the pit, or core, of plutonium-239 residing inside ...

dateDec 17, 2012 in General Physics
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