GADGETS - TECH NEWS

	This Image Is a Space Shockwave Traveling at 1,000 Times the Speed of Sound
	Here's some space geek knowledge for you. The Harvard-Smithsonian Center for Astrophysics reports on the discovery of a "reverse shock wave racing inward at Mach 1000" in the Tycho's supernova remnant.The result: its particles glow like the photogra...
	How Does A Shockwave Look Like? NASA's Got Pictures (Video)
	Scientists over at NASA's Dryden Flight Research Center managed to capture some images that show what a jet does to air when it goes supersonic mode. NASA says the following photos were taken using the Ground-to-Air Schlieren Photography System, ...