According to Olbers's Paradox, if there should be a star wherever you may look, then the sky should be awash with light and heat.
Now it was Edgar Allen Poe who then gave the answer that is accepted, saying that if the speed of light is finite, and the age of the Universe is finite, then the...
Can Photons interact with or be absorbed by Quantum Vacuum Fluctuations?
Would it be possible for a photon traveling in space interact with a particle from a quantum vacuum fluctuation?
Say you have a particle antiparticle pair arise at just the right moment and the right frequency that one...