Dubbed the Thunder Generator, this sound cannon of sorts “uses mixture of liquefied petroleum, cooking gas, and air to create explosions, which in return generate shock waves capable of stunning people from 30 to 100 meters away.” Best of all, it’s non-lethal at ranges of 30-meters or more. Continue reading for one more picture.

If fired at less than 10 meters, the Thunder Generator could be lethal or inflict permanent damage, Fridman said. He’ll feel and hear the blast, but he won’t be hurled to the ground. He’ll be able to run away unharmed…and that’s the point of this application.

[via GizmodoDefensenews]