This article has been reviewed by the following Topic Editor: Peter Saundry
Julius Robert von Mayer (1814-1878) was a German physician and physicist who stated the mechanical equivalence of heat in 1842, which is a consequence of the law of conservation of energy. He did so independently of Joule, who received credit for the discovery a few years later. Mayer’s discovery came from his observations of a horse stirring paper pulp in a cauldron. He also is thought to be the first person to describe the chemical process now referred to as oxidation as the primary source of energy for any living organism. As the first person to develop the law of the conservation of energy, Mayer produced one of the most significant achievements in the history of physics.
Cutler Cleveland (Lead Author);Peter Saundry (Topic Editor) "Von Mayer, Julius Robert". In: Encyclopedia of Earth. Eds. Cutler J. Cleveland (Washington, D.C.: Environmental Information Coalition, National Council for Science and the Environment). [First published in the Encyclopedia of Earth March 6, 2010; Last revised Date March 6, 2010; Retrieved February 9, 2012 <http://www.eoearth.org/article/Von_Mayer,_Julius_Robert>
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Editor-in-Chief
The Encyclopedia of Earth Cutler J. Cleveland is the founding Editor-in-Chief of the Encyclopedia of Earth. Dr. Cleveland is currently a Professor in the Department of Geography and Environment at Boston University, with joint appointments in the Center for Energy and Environmental Studies and the Pardee Center for the Study of the Longer Range Future. He also is a Senior Fellow at the National Council for Science and the Environment in Washington D.C. Dr. Cleveland is als ... (Full Bio)
Julius Robert von Mayer (1814-1878) was a German physician and physicist who stated the mechanical equivalence of heat in 1842, which is a consequence of the law of conservation of energy. He did so independently of Joule, who received credit for the discovery a few years later. Mayer’s discovery came from his observations of a horse stirring paper pulp in a cauldron. He also is thought to be the first person to describe the chemical process now referred to as oxidation as the primary source of energy for any living organism. As the first person to develop the law of the conservation of energy, Mayer produced one of the most significant achievements in the history of physics.
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