Fire extinguishers before? Use see also it, filling just foam, dry powder, halon, carbon dioxide, and so on. Upgrade your knowledge quickly, fire extinguishers can also be a subwoofer.
In fact, in 2012, DARPA (Defense Advanced Research Projects Agency, United States Department of Defense Advanced research projects Agency) shows Sonic Fire, but a bit bulky equipment.
Now, two of Virginia's George Mason University engineering male Viet Tran and Seth Robertson produced a hand-held Sonic fire extinguishers, the prototype includes audio generator, similar to a small amplifier; an aiming device, so that a specific focus sound waves. iPhone Vans case
Working principle
Sound waves in physical space to Exchange oxygen, oxygen is gone, the fire went out.
Music is not appropriate, Sonic inconsistencies; high frequency sound waves can cause flame shock; only the lower frequencies (30 to 60 Hz) range of Sonic to the oxygen out of the flames, to fire-fighting purposes.
Next target
"Ethanol small pot" experiment is ideal, the next step to test for different types of fire, see if you can keep not renewed because sound waves don't like water that has a cooling effect. While further research put out a large fire equipment. iPhone Vans case
If successful, whether it's for home or fire department is the Gospel.
via: cnet
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