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principle of relativity


from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. The principle that only the motion of objects relative to one another can be measured, and that there is no absolute frame of reference.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. (physics) a universal law that states that the laws of mechanics are not affected by a uniform rectilinear motion of the system of coordinates to which they are referred


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  • Oh goody, more relativity limericks! Thanks sionnach!

    September 20, 2009

  • There was a smart fellow called Fisk
    Whose fencing was really quite brisk;
    So fast was his action
    The Lorentz contraction
    Converted his foil to a disc.

    September 20, 2009

  • There was a young lady named Bright,
    Whose speed was faster than light;
    She set out one day,
    In a relative way,
    And returned home the previous night.

    - Arthur Buller (1874-1944) - this limerick was printed in Punch, 12/19/1923

    For the science/physics bits on relativity, see Wikipedia.

    September 19, 2009