- http://www.physics.org/
- http://www.pbs.org/wgbh/nova/elegant/everything.htmlIn this excerpt from his acclaimed book, The Elegant Universe, Brian Greene explains why string theory might hold the key to unifying the four forces of nature.
In this excerpt from his acclaimed book, The Elegant Universe, Brian Greene explains why string theory might hold the key to unifying the four forces of nature.
Branch
See Also :






