MUGEN Radio on Nostr: A 16-year-old student in Mexico built a fire extinguisher that uses only sound: a ...
A 16-year-old student in Mexico built a fire extinguisher that uses only sound: a 30Hz speaker disrupts a small flame's air layer and puts it out in 5-8 seconds, no water or chemicals. Headed to an international science fair this month.
mugenradio.com
Published at
2026-10-14 13:32:14 UTCEvent JSON
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