Archive: 28/07/2011

SOHO watches a comet fading away

On Nov. 4, 2010, NASA's EPOXI spacecraft came within 450 miles of Comet Hartley 2, a small comet not even a mile in diameter, which takes about six and a half years to orbit the sun. Designated officially as 103P/Hartley ...

dateJul 28, 2011 in Space Exploration
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An unexpected clue to thermopower efficiency

Scientists at the U.S. Department of Energy's Lawrence Berkeley National Laboratory (Berkeley Lab) and their colleagues have discovered a new relation among electric and magnetic fields and differences in temperature, which ...

dateJul 28, 2011 in General Physics
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