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    What causes light pressure?

    I've read about the solar sails developed by nasa, interestingly they just plan to use a lot of surface area to achieve a feasible propulsion. So a photon in a chamber of perfectly reflective surfaces would lose all of its energy eventually by momentum transfer solely? Still, why cant the...
  2. O

    What causes light pressure?

    It would help to know what happens at that level because creating light propulsion would be ideal for all forms of travel. Better materials could be created in maximizing energy conversion to kinetic energy rather than having most energy lost as heat or in reflection.
  3. O

    What causes light pressure?

    A beam of light requires space. No space would mean no reference to anything not even to itself. Electron configurations are shown for atoms, so why isn't there a photon configuration as well?
  4. O

    What causes light pressure?

    Real objects take up space, so how does a photon take up space? An infinite number of photons?
  5. O

    What causes light pressure?

    The Compton's Apparatus is not good enough of an explanation. I would like to know at a fundamental level the geometry of both the entire atom and photon and what causes a photon to give off only some energy as kinetic.
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