>From the Wikipedia main page: 1905 - Albert Einstein published the article "Does the Inertia of a Body Depend Upon Its Energy Content?", introducing the equation E=3Dmc=B2. Main article: http://en.wikipedia.org/wiki/E%3Dmc%C2%B2 Mike H. --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist