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A comment on Engineers create synthetic, sound-silencing structure that blocks 94% of sounds.

Re:Engineers create synthetic, sound-silencing structure tha... by Havoc on Sunday July 07, 2019 @04:43PM (#20377712)
Soooo....better suppressors for the CIA then?
[ Parent | on HN ]
Re:Engineers create synthetic, sound-silencing structure tha... by BubRoss on Sunday July 07, 2019 @05:08PM (#20377867)
Suppressors work by cooling down the exhaust gasses before they reach the air so that they don't create a burst of expansion.
[ Parent | on HN ]