OT - How to Scare Off Coyotes?
On Sat, 13 May 2006 12:07:39 -0400, axolotl wrote:
Don Foreman wrote:
The wavelength of 22 KHz ultrasound is slightly shorter than Ka band
microwave,
Umm...?
Speed of sound vs. speed of light. I haven't calculated the above,
though...
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