Expansion of the article
| ! | This article or part thereof was copied from Wikipedia but the copied text was originally written by me, JamieR, (under the name 209.208.77.108, 206.148.136.35, 206.148.136.20, 67.232.59.169, 74.4.222.208, 71.0.146.150, Jamiemichelle) and does not include alterations made by others on that site. | 
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All the sections of the article were written by me, except some parts of the introduction, which I have heavily rewritten. I added Arxiv, Bibcode, Lccn, and OSTI templates to Conservapedia in order to support this article. The article contains a lot of wikilinks to articles that don't exist on Conservapedia, but I hope to add some of these articles as time goes by.--JamieR 23:59, 30 June 2010 (EDT)