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China Solves 'Tunnel Boom' Problem With Maglev Trains
Friday August 8, 2025. 09:00 AM , from Slashdot
![]() Now, however, researchers have discovered that placing innovative soundproofing buffers at tunnel mouths can reduce shock waves by up to 96%. This promises improvements in operational safety, noise pollution and passenger comfort, as well as safeguarding animals in the vicinity of future lines. The porous structure of the new 100-meter long buffers, combined with porous coatings on the tunnel body, allow the trapped air to escape before the train reaches the tunnel mouth, suppressing the boom in the same way as a silencer fitted to a firearm. Read more of this story at Slashdot.
https://tech.slashdot.org/story/25/08/08/0045208/china-solves-tunnel-boom-problem-with-maglev-trains...
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