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Can Sound Really Put Out a Fire? Engineers and students think so
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Can Sound Really Put Out a Fire? Engineers and students think so
At Government Polytechnic Sundernagar in Himachal Pradesh, a group of students has built a low-cost device that puts out fire using nothing but sound. No water. No chemicals. Just waves of pressure aimed at a flame, and the flame dies. The students used sound frequencies between 30 and 60 Hz to build their prototype, keeping costs low enough to show that this kind of technology does not have to stay inside expensive research labs. Their work put…
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