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China turns to gun silencers to stifle boom from 370mph trains
Super-fast locomotives produce shockwaves when they exit tunnels audible a mile away
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2 prospettive sulla stessa storiaTimeline cronologica
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theguardian.com
Maglev train researchers may have solved ‘tunnel boom’ shock waves
Soundproofing buffers at tunnel mouths to be rolled out on China’s latest magnetic levitation train prototype
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telegraph.co.uk
China turns to gun silencers to stifle boom from 370mph trains
Super-fast locomotives produce shockwaves when they exit tunnels audible a mile away