Welcome to European Tribune. It's gone a bit quiet around here these days, but it's still going.
Display:
Ok, it looks like the acoustic impedance mismatch at the water to air boundary causes reflection and back scattering of the sound. Hmmm.
by asdf on Sat Sep 8th, 2012 at 10:48:41 AM EST
[ Parent ]

Others have rated this comment as follows:

Display:

Occasional Series