On 8/10/11 9:25 PM, Brad Guth wrote:
If a medium is photon friendly or conductive, then perhaps the
individual photon doesn't have to actually move.

Are you confusing photons and current?

From the quantum mechanical perspective, all photons travel at c.

1. photons are emitted (by charged particles)
2. *photons propagate at c*
3. photons are absorbed (by charged particles)

Photon momentum
p = hν/c = h/λ

Photon Energy
E = hν