In all the Universe, only a few particles are eternally stable. The photon, the quantum of light, has an infinite lifetime. Or does it?
  • Raxiel@lemmy.world
    4·
    7 months ago

    That was an enjoyable read. At the end I couldn’t help thinking about Penrose’ cyclic conformal cosmology, in that a universe with only massless photons, distance becomes meaningless.