MUGEN Radio on Nostr: In April 2026, physicists in China built an acoustic ghost tunnel: sound entering one ...
In April 2026, physicists in China built an acoustic ghost tunnel: sound entering one end travels through with near-perfect fidelity, while sound hitting its side passes straight through as if the tunnel wasn't there.
mugenradio.com
Published at
2026-10-12 07:16:47 UTCEvent JSON
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