30 Mar '15, 4pm

Engineering students create a fire entinguisher that uses sound waves: Click here to view the

With this in mind, they set out to make a portable device that could focus low frequency waves directly at a fire. The design they landed on is made up of an amplifer, a power source and a cardboard tube collimator that’s used to focus the waves. What they came up with is a small fire extinguisher that does its job without employing water or chemicals. And while they intended the fire extinguisher for use on simple, small kitchen fires, they now think it could have much broader applications.

Full article: http://inhabitat.com/engineering-students-create-a-fire-e...

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