From black holes to parallel universes
You may find this article of use:
http://pegasus.udea.edu.co/profesores/lorenzo/s0.htm
http://www.sciam.com/article.cfm?articleID=000F1EDD-B48A-1E90-8EA5809EC5880000
Now this guy has a cool job:
http://www.hep.upenn.edu/~max/multiverse1.html
