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Originally posted by Juggernog
Probably way off but... "sound waves?"
Originally posted by DeadSnow
reply to post by Taupin Desciple
Sonar waves.
2nd.
Originally posted by caladonea
reply to post by Taupin Desciple
Does it have to do with (the speed of sound) and a (shear wave)?
Originally posted by XLR8R
reply to post by Taupin Desciple
Universal resonantfrequency?edit on 28-11-2012 by XLR8R because: (no reason given)
Originally posted by Chamberf=6
Wave (in a) medium
Originally posted by butcherguy
I know I didn't get it....
But look at the image for fresnel lens.edit on 28-11-2012 by butcherguy because: (no reason given)