User talk:Tjohnson5257

Hello, I'm Materialscientist. I noticed that you recently made an edit that seemed to be a test. Your test worked! If you want more practice editing, the sandbox is the best place to do so. If you think I made a mistake, or if you have any questions, you can leave me a message on my talk page. Thank you. Materialscientist (talk) 04:23, 26 September 2012 (UTC)

Please do not add original research or novel syntheses of published material to articles. Please cite a reliable source for all of your contributions. Thank you. Materialscientist (talk) 04:40, 26 September 2012 (UTC)

Please do not add or change content without verifying it by citing reliable sources. Please review the guidelines at Citing sources and take this opportunity to add references to the article. Thank you. Materialscientist (talk) 04:52, 26 September 2012 (UTC)