Sixty Symbols

Four Forces - Sixty Symbols for Valentine's Day (2011x5)

Yayınlanma tarihi: Şub 13, 2011

We discuss the four fundamental forces - gravity, electromagnetic, weak and strong. Extra footage from this video http://www.youtube.com/watch?v=Fq9FCfZOJLk More physics at http://www.sixtysymbols.com/