The Ultrasonic pressure wave

[dvj]

Most impressive: hang on to 30 second mark.

https://www.youtube.com/watch?feature=player_embedded&v=QvnrGzo8ljI#!

[peeb61]

Crap and double crap batman!

One hell of a bang John.

Paul

[RobF]

Thanks John - I think I'd be thinking all sorts of things if I was hit with a shock wave like that. Right side of brain wouldn't be working at all :eyepop:

[Lee]

Very impressive.....

[Larryp]

That'd get the bowels working!

[multiweb]

That bang rumbles and echos and rolls on on for ever. Man,... reality check. We are small things indeed. And that was only 15m.