Aug 21 2012Save8/21/12 The Mach 6 Scramjet Could Fly from JFK to SFO in an Hour (if it Doesn't Tear Apart on the Way)Andrew Tarantola49Save We could have had Bin Laden in 1998. However, in the 80 minutes it took for a volley of cruise missiles travel…
Jan 2 2008Save1/2/08Space Jet Tested in Hypersonic Wind TunnelAnnalee Newitz10Save Yes, you are about to have your hypersonic space jet capable of going Mach 6 (that's six times the speed of sound).…