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This site provides chemistry, environmental and hazardous materials news, careers & resources including: in depth articles; a detailed periodic table of elements; chemical database; hazmat emergency response guides; hazmat placarding information;...

Steve Marsden

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This web site is dedicated to Richard P. Feynman, scientist, teacher, raconteur, and musician. He assisted in the development of the atomic bomb, expanded the understanding of quantumelectrodynamics, translated Mayan hieroglyphics, and cut to the he...