News tagged with chevrons
NRL researchers study ways to reduce jet aircraft noise
Advanced military jet aircraft have engines that provide the needed speed and maneuverability. However, with this greater power there is significant noise during takeoff and landing. The noise can impact the ...
Feb 15, 2011 |
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Contrary to recent hypothesis, 'chevrons' are not evidence of megatsunamis
A persistent school of thought in recent years has held that so-called "chevrons," large U- or V-shaped formations found in some of the world's coastal areas, are evidence of megatsunamis caused by asteroids ...
Space & Earth / Earth Sciences
Apr 29, 2009 |
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