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http://en.wikipedia.org/wiki/File:Albert_Einstein_portrait.jpg











  • Albert Einstein
  • A Jewish scientist
  • Lived from 1879 to 1955 AD
  • In 1922 Einstein won Nobel Prize for his work on photons 8





  • Einstein's Theory of Relativity, is a law of gravity
  • The gravitational force concept is replaced by curved space-time when masses are present
  • Because of this, gravity becomes geometry
  • Thus objects move to follow the curvature of space-time in a gravitational field 4

http://en.wikipedia.org/wiki/File:Spacetime_curvature.png