|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...|