Sunday January 21, 2018

Watch a Machine Put Out a Fire WITH SOUND
  Posted by: Digg on Jul 15th, 2012 11:18 PM
You can put out a fire with nothing more than sound—and it doesn't even have to be eardrum-deadening, Marty McFly-flattening loud sound. This is Darpa's sonic fire extinguisher, and it sounds kinda like a foghorn. The extinguisher was developer to fight fires in small spaces, like plane...

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