Some science of Harry Potter in celebration of the final book in the series. Read more
http://carldnelson.com/content/wp-content/uploads/2011/05/carldnelson-chief-scientist-logo7.png00Carlhttp://carldnelson.com/content/wp-content/uploads/2011/05/carldnelson-chief-scientist-logo7.pngCarl2007-07-21 00:21:112012-01-01 11:53:41Harry Potter Science