Jim Kelley wrote:

Cecil Moore wrote:
Therefore, thin-film anti-reflective coatings are
a waste of time since there were no reflections to
begin with. Again, you have an effect reaching back
in time to change its own cause.

Can you spell A*B*S*U*R*D? :-)

Yep, and that describes your strange concepts to a 'T'.
Your concept that "canceled waves never existed in the
first place" requires a time machine to implement, not
to mention the paradox involved with time travel.
--
73, Cecil http://www.w5dxp.com