Criminal liars at the Perimeter Institute:

http://www.perimeterinstitute.ca/Out..._Slow_Time?/1/
Perimeter Institute: "One may imagine the photon losing energy as it
climbs against the Earth’s gravitational field much like a rock thrown
upward loses kinetic energy as it slows down, the main difference
being that the photon does not slow down; it always moves at the speed
of light."

Pentcho Valev
pvalev***yahoo.com