bitcruncher
pepperoni roll psycho...
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DARPA drops the bass to extinguish fire
Here's some interesting news. I wonder if they tested this in Colorado recently...
DARPA drops the bass to extinguish fireQuote:The Defense Advanced Research Projects Agency has created a bass cannon that can put out fires with sound.
Citing a lack of innovation in fire-extinguishing methods over the last 50 years, the Defense Advanced Research Projects Agency (DARPA) last week revealed an ear-buzzing new method for putting out fires: blast it with fine-tuned frequencies.
Officially referred to as "acoustic suppression of flame," this simple yet potentially revolutionary method simply relies on two speakers playing a specific low frequency toward the fire.
The resulting acoustics increase air velocity, making it easier to alter the origin of the fire's combustion, also known as the flame boundary layer.
A DARPA statement says the specific sound "leads to higher fuel vaporization, which widens the flame, but also drops the overall flame temperature. Combustion is disrupted as the same amount of heat is spread over a larger area."
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07-17-2012 12:54 PM |
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PirateTreasureNC
G's up, Ho's Down ; )
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RE: DARPA drops the bass to extinguish fire
I know some DBDrag racers that would love this article. And I think the Army or other military forces have been working on focused acoustics for disarming/stunning enemies. I think those are higher frequencies.
But since bass has a little more "shake" wouldn't that be bad for say a crumbling house? Also, in open air situations like a forrest fire would there be enough acoustical reinforcement to make it work.
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07-17-2012 08:06 PM |
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