Underwater destruction of undesirable objects‏

Best abuse of decibels I have heard in awhile. I would ask Bubblehead what he thinks, but he might have to kill me.

Imagine a day when a submarine could blast a target to smithereens using nothing more than acoustic energy. That's the idea behind a recently granted U.S. Navy patent for a cavitation weapon. The powerful weapon would use sonar to generate "acoustic remote cavitation," i.e. a big pressure bubble, that would destroy everything from torpedoes to mines. As the patent describes: