Superman might be fast, but he is a fictional character – here is DARPA's very own Falcon Hypersonic Technology Vehicle 2 which is set to take to the skies today, where this experimental vehicle is tipped to hit Mach 20 – which is 20 times the speed of sound. The amazing speed at which it cuts through the airspace means this aircraft is capable of reaching anywhere in the world within a single hour. Don't you as a frequent traveler wish that your trans-continental flight would also be that speedy.
Ubergizmo, Mach 20 aircraft takes to the skies
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