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

Speed of shadows

  1. Jun 20, 2007 #1
  2. jcsd
  3. Jun 20, 2007 #2
    Quite obvious.
     
  4. Jun 20, 2007 #3
    An informative article about a fact which is rarely mentioned.
     
Share this great discussion with others via Reddit, Google+, Twitter, or Facebook




Loading...