Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

Why doesn't ether = spacetime

  1. Jan 24, 2013 #1
    EM radiation seems like a wave traveling through spacetime so, why isn't spacetime the same as ether?
     
  2. jcsd
  3. Jan 24, 2013 #2

    Dale

    Staff: Mentor

    Because it doesn't have a definable state of motion.
     
Know someone interested in this topic? Share this thread via Reddit, Google+, Twitter, or Facebook