http://en.wikipedia.org/wiki/Isaac_Newton
http://www-history.mcs.st-andrews.ac.uk/Mathematicians/Newton.html
http://www.newton.cam.ac.uk/newtlife.html
http://www.lucidcafe.com/library/95dec/newton.html
http://galileoandeinstein.physics.virginia.edu/lectures/newton.html
http://scienceworld.wolfram.com/biography/Newton.html
http://inventors.about.com/library/inventors/blnewton.htm
_ How did Isaac Newton really discover gravity
http://jp.youtube.com/watch?v=D5BQkdyAw8A
_ Sir Isaac Newton Physics Project
http://jp.youtube.com/watch?v=C4mgWoYFK3Y
_ Physics 6 - Mechanics & Newton's laws
http://jp.youtube.com/watch?v=aW3KhXEtEGI
_ Newton's Laws of Motion illustrated with 3D
http://jp.youtube.com/watch?v=iH48Lc7wq0U
