Comment on Mexican student creates an acoustic fire extinguisher to put out fire in secondsparentComments−nicce20hThere is a saying that ideas are cheap. Only delivery matters.−glitchbot20hWasn't it Edison that said that!−mwigdahl19hProbably stole it from Tesla... :)
Comments
There is a saying that ideas are cheap. Only delivery matters.
Wasn't it Edison that said that!
Probably stole it from Tesla... :)