Turn Up The Bass And Douse The Blaze

A couple of computer engineering students at George Mason University have developed a handheld extinguisher that can put out a fire, not with sand, water, or foam—but sound.

As sound waves move through the air, they displace oxygen, the very agent the fire feeds on. Low frequencies, in the range of 30 and 60 hertz, were able to deflect the gas from the flames long enough to smother them.

h/t: CNET


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