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Science has proven that sound can put out fire.

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Science has proven that sound can put out fire.

Post by Cadmon on Thu Apr 02, 2015 3:51 pm

http://www.fromquarkstoquasars.com/small-new-fire-extinguisher-uses-sound-fight-flames-video/ (Take a look)

Description wrote:Us15:52:13ing sound waves produce successive blasts of air across the base of the flames. These pulses, at the boundary layer where combustible gases actually ignite into flames, disrupts the combustion process and blows the flames out. Flames are a cold plasma, which provides a substance susceptible to disruption by physical and electromagnetic influences. Sounds, then, which are transmitted by subtle (or not-so-subtle) pressure waves in air, provide a mechanism for affecting them.

Very low frequency bass waves, in the 30 to 60 hertz range, are the key. The students started off with very high frequencies, but they didn’t find that they had much effect on the flames. They then tried using music as the source at first — they thought hip hop might produce a good bass line — but found that it was too inconsistent to be effective.

The idea itself wasn’t new; MythBusters tested an electronically amplified human voice and found that it could extinguish fires when amplified to 149 decibels. That test itself was based on a story from the early 1900s of a man who was said to have a voice which could accomplish similar results.

Stunts aside, there have also been more serious adaptations of the concept. DARPA developed a sound-based extinguisher four years ago.

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Re: Science has proven that sound can put out fire.

Post by Alexander on Thu Apr 02, 2015 7:55 pm

Redneck: BULLSHIT FIRE AIN'T COLD. GET OFF MY PROPERTY.

Cadmon I heard a shotgun cock RUN MAN RUN.

Nah but this is really interesting. Time to apply it to the website without telling anybody.

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Re: Science has proven that sound can put out fire.

Post by Cadmon on Fri Apr 03, 2015 5:05 pm

DAMMMMMMN! *Runs for life*



Yeah, I thought it was interesting too, in fact I was sharing it because these kind of things peak my interest to all new hieghts when I think about them. Also, what if it was possible that the man in the early 1900s myth could've actually pulled this off? It seems possible, through science right?

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Re: Science has proven that sound can put out fire.

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