![]() ![]() Several college students showed that low frequencies between 30 and 60 Hz can actually extinguish a small fire using high-intensity sound. These sound waves would have to come from very loud objects, sound waves, so powerful they could knock down walls and shake machines to pieces. You will need a 240 dB source to get a person’s head to resonate destructively. It takes a directed concussive effect to vibrate structures to rubble and infrasonic energy to shatter bones and pulp organs from within. ![]() ![]() In the ‘Walls of Jericho’ scenario, sonic warfare is used to destructively shatter objects and material.
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