RT @cnni: New hypersonic engine could have passenger planes fly 5 times the speed of sound in 20 years https://t.co/0fVDRLcJc4 https://t.co… 0 atbildes
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Veiko Spolitis (2015-11-04 07:48:35) |
RT @cnni: New hypersonic engine could have passenger planes fly 5 times the speed of sound in 20 years https://t.co/0fVDRLcJc4 https://t.co… | |