Science Fair Project Encyclopedia
Petrus Peregrinus
Petrus Peregrinus (Pierre de Maricourt) was a Medieval French scientist who lived in the 13th century. He conducted experiments on magnetism and wrote a treatise on the subject, containing the first description of the polarity of magnets. Roger Bacon, who lived at about the same time, valued him highly.
10-26-2009 08:16:03
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The contents of this article is licensed from www.wikipedia.org under the GNU Free Documentation License. Click here to see the transparent copy and copyright details