Stopping Fire with Electricity and Sound (video)

Engineers of American DAPRA military agency worked out means to put out fire without any chemicals, but with sound and electricity. The authors found out different physical methods of stopping fire, one of which is by influencing on the change of magnetic field, and the other one is acoustic radiation. In first case the flame was extinguished by means of glass electrode covered with glass. Next method of stopping fire is realized through sound waves.