John Smith I wrote:
But, we may have to revise our present theory about photons in the
future, at some point.

We, the human race, may have to revise our present
theories about *everything* in the future. :-) That
is, unless the patent office guy was right - you
know, the one who said, around the end of the 19th
century, that everything had already been invented.
--
73, Cecil http://www.w5dxp.com