Tuesday, 29 September 2015

Did China Just Hit Mach 5? - A news report describes a landmark event: the flight of an airplane that can go twice as fast as the Concorde. Then, just as quick, the report vanishes. What just happened?

http://ift.tt/1P2XG5n

by Buck-Nasty http://ift.tt/1Ge5r1k

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