NASA and JAXA Say No to Sonic Booms
	The problem with supersonic aircrafts today is that when they surpass the speed of sound they create a so-called sonic boom, an acoustic phenomenon similar to the one generated by a relatively large detonation. It is just a sound, but it packs a mighty punch. Just imagine hearing a sudden explosion in the middle of the night, while you're sleeping, as a jet goes to supersonic speed over your house. Most of the time, such events never ... [read more >>]
	12 May 2008, 07:01GMT | (c) 2008 Softpedia