I'm sure everyone's following the successful test of the hypersonic aircraft yesterday, at speeds up to 8,000 km/h Mach 7:
http://www.cnn.com/2004/TECH/space/03/28/hypersonic.jet.flight/index.htm l The significance is that it used an air-breathing engine called a scramjet, which could change the economics of rocket launch considerably. NASA has a link to it which will soon be updated, but they're probably still recovering from last nights celebrations. <g> http://www.nasa.gov/missions/research/x43-main.html Nat
