It no his arguments, but the conclusions he draws that takes him over the top.
Much of his argument is premised upon amplifier circuits not being able to handle ultra sonic signals cleanly. Do they still make high end electronics that can't handle a 100kHz signal?
Much of his argument is premised upon amplifier circuits not being able to handle ultra sonic signals cleanly. Do they still make high end electronics that can't handle a 100kHz signal?