C.J. Oster wrote: > Since light, sound and radiowaves are all electormagnetic radiation, > in theory, they could interfere with each other. Uhhhh, did you mean to say sound? I don't think that the current theory of sound is tbat it is a type of electromagnetic radiation. Sound is air (or anykind of medium) molecules vibrating in a wave. If you would like to go into this further, feel free to contact me. Eric Barker