(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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0
East coast Australian cities could one day be linked by high speed rail, but with a price tag of $114 billion and a 40 year timeframe, according to a study released by the Transport Minister Anthony Albanese.
Engineering
Apr 11, 2013
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California, a state known for its aggressive greenhouse gas reduction policies, is ironically the nation's greatest emitter of one: sulfuryl fluoride.
Environment
Apr 3, 2024
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32
A team of researchers from Sorbonne Université and the University of Lille has measured the sounds that occur when a soap bubble pops. In their paper published in the journal Physical Review Letters, the group describes ...
(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
15
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A team of researchers affiliated with several institutions in China and the U.S. has found that data from El Niño and Antarctic Oscillation events can be used to predict air pollution levels in northern India. In their paper ...
For the first time, researchers are able to prove that there is an optimal speed for certain insects when they fly. At this speed, they are the most efficient and consume the least amount of energy. Corresponding phenomena ...
Plants & Animals
Sep 29, 2017
0
198
Heavy city traffic contributes significantly to air pollution and health problems such as asthma, but UT Dallas researchers think another kind of traffic—data traffic—might help citizens better cope with pollution.
Environment
Mar 7, 2016
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56
Materials that actively repel water and ice very strongly are sought after by the aviation industry and for many other technical applications. ETH researchers have now found out how to specifically design the rigid surfaces ...
Condensed Matter
Nov 4, 2015
3
63
When you uncork a bottle of champagne, complex supersonic phenomena occur. Scientists at TU Wien have now been able to calculate exactly what happens for the first time.
General Physics
Dec 21, 2023
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