Wednesday, September 5, 2012

Discovery Channel's HOW LIGHT WORKS

LIGHT ~ How it Works ~ Check out this How Stuff Works Video “How Light Works” To understand light we need to understand a larger group of energy known as electromagnetic waves. Learn more about electromagnetic waves on Discovery Channel’s “Assignment Discovery.” tp://videos.howstuffworks.com/discovery/29406-assignment-discovery-electromagnetic-waves-and-light-video.htm