China is testing a range of hypersonic aircraft, which can travel at many times the speed of sound. Photo: SCMP

China builds world’s fastest wind tunnel to test weapons that could strike US within 14 minutes

Researchers want new facility to be up and running by 2020 as race to develop hypersonic technology intensifies

Topic |   China science

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China is testing a range of hypersonic aircraft, which can travel at many times the speed of sound. Photo: SCMP
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