Swimming and flying animals are optimally adapted for cruising through their environments, producing thrust via propulsors—wings for birds and caudal fins for fish. Over millions of years, the morphology of these animals ...
As the U.S. sweated through its warmest year on record outside, a testing chamber at NASA Johnson Space Center in Houston reached its coldest temperatures yet on the inside, cooled by one of the world's most efficient cryogenic ...
Engineering
Jan 21, 2013
6
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(PhysOrg.com) -- Runners, listen up: If your body is telling you that your pace feels a little too fast or a little too slow, it may be right.
Evolution
Mar 19, 2009
0
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The concept of delaying global warming by adding particles into the upper atmosphere to cool the climate could unintentionally reduce peak electricity generated by large solar power plants by as much as one-fifth, according ...
Environment
Mar 11, 2009
27
0
In the search for better ways to make more energy-efficient buildings, Leidy Klotz isn't exactly looking for ways to improve the engineering. He's seeking ways to improve the engineer.
Other
Apr 19, 2011
0
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