MSALEM@cc.utah.edu (08/29/90)
one sure way of evading police radar, which of course operates on the doppler principle, is to determine the exact bandwidth that is used. If delta lambda over lambda (the bandwidth divided by the wavelength) is small then one could implement a stealth-like paint. the thickness of the paint would need to be a Quarter of a wavelength, by which the incident and reflecting wave would interfere destructively. This is valid because the change in the wavelength due to the car's movement is minimized because of the extremely large but finite speed of light. J. Frederick