Jim Kelley wrote:
Hint:
people who write physics books know that power does not interfere.

Jim, I'll make the same deal with you that I have offered
to others with, so far, no takers. If you can prove that
I said that powers interfere, I will send you $100. If
you cannot prove that, you send me $100, and cease your
unfair straw man argument methods.
--
73, Cecil http://www.w5dxp.com