Billionaire entrepreneur Elon Musk released rough plans last week for a "Hyperloop" that would shoot capsules full of people at the speed of sound through elevated tubes connecting Los Angeles and San Francisco. Then he urged ...
Engineering
Aug 23, 2013
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(Phys.org) —British engineers have told reporters that a test of their space penetrator has been conducted and all signs suggest it was a complete success. The space penetrator is a bullet shaped projectile with electronics ...
Bacteria swim by rotating the helical, hairlike flagella that extend from their unicellular bodies. Some bacteria, including the Escherichia coli (E. coli) living in the human gut, have multiple flagella that rotate as a ...
General Physics
Jul 8, 2013
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An experimental unmanned aircraft developed for the U.S. Air Force has flown at more than five times the speed of sound in a test off California.
Engineering
May 3, 2013
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Scientists and meteorites hunters have been on a quest to find bits of rock from the asteroid exploded over the city of Chelyabinsk in Russia on February 15. More than 100 fragments have been found so far that appear to be ...
Space Exploration
Feb 27, 2013
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(Phys.org)—Infrasonic waves from the meteor that broke up over Russia's Ural mountains last week were the largest ever recorded by the CTBTO's International Monitoring System. Infrasound is low frequency sound with a range ...
Astronomy
Feb 19, 2013
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Supersonic Austrian skydiver Felix Baumgartner was faster than he or anyone else thought during his record-setting jump last October from 24 miles (38 kilometers) up.
Space Exploration
Feb 4, 2013
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(Phys.org)—Sonic booms created by aircraft flying faster than the speed of sound certainly aren't known for being faint, but rather for their loud, make-you-jump startle effect for those who experience them. However, sonic ...
Space Exploration
Nov 5, 2012
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(AP)—The U.S. military said Wednesday it is planning another unmanned hypersonic flight in the wake of a failed attempt.
Space Exploration
Oct 24, 2012
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Felix Baumgartner, the first man to break the sound barrier in freefall, says he is giving up being a daredevil but now aims to help others in trouble.
Other
Oct 24, 2012
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