Posted by: Alicia January 14, 2005
Login in to Rate this Post:
0
?
![](/wysiwyg/editor/images/smiley/msn/thumbs_up.gif)
![10 more flags than likes deactivates post.](/wysiwyg/editor/images/smiley/msn/thumbs_down.gif)
His contribution in physics the theory of relativity which changed our concept of space and time.second of all his idea explaining that light comes in particles called photons for which he received the nobel prize.thirdly his theory of gravity whicht predicts the existence of black holes.
more later