THE BIG BANG...boy, does everyone go on and on about that! The Big Bang is the backwards-in-time journey. There is another type of journey...the inwards journey...going down smaller, and smaller, and smaller to find out what everything is made of. This video is about that journey. Don't worry, unless you are a theoretical physicist, you might not completely understand it! I had to watch the video twice, just to begin to think that I understood it. Enjoy!
A good 3-part series from PBS NOVA (gets into string/M 'theory' )