Re: Worlds best tranducer, Worlds best microphone
"Inverse square law applies to all point sources, whether omni or directional, in a linear transmission medium."
My laser pointer disagrees. There is no such thing as a point source - it's just a mathematical idealisation. You can point a beam of ultrasound just like you can point a laser. That's the basis for their claim. Like all the best bad science, it has just a grain of truth in it.
Biting the hand that feeds IT
