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Maxwell's Demon

By, Christopher Bimbo. Maxwell's Demon. The Concept. Was a theorized experiment conducted by a man named James Clerk Maxwell in 1867 He believed that it was possible to disprove the second law of thermodynamics. The 2 nd Law of Thermodynmics.

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Maxwell's Demon

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  1. By, Christopher Bimbo Maxwell's Demon

  2. The Concept • Was a theorized experiment conducted by a man named James Clerk Maxwell in 1867 • He believed that it was possible to disprove the second law of thermodynamics

  3. The 2nd Law of Thermodynmics • ”The Second Law of Thermodynamics ensures that two bodies of different temperature, when brought into contact with each other and isolated from the rest of the Universe, will evolve to a thermodynamic equilibrium in which both bodies have approximately the same temperature.”

  4. Maxwell's belief • He believed it was possible to contradict this by having something included in the system that • Could detect the speed of indivdual particles • Direct them and isolate them

  5. Its flaws • At the time there was no such technology that would aid in such a experiment

  6. Today • Computers • Sensors • Nanotechnology • Biotechnolgy

  7. Maxwell's Demon Tamed • At the university of Edinburgh several researchers where able to create a molecular engine • Referred to as a ”Molecular Ratchet” • Proved it was possible to force particles away form equlibrium • But it required a external power source to drive it

  8. Applications? • Nature itself uses this method to accomplish many major biological functions • In turn being able to create a artifical engine to do the same thing might allow for better sources of heat management or power production

  9. Q & A

  10. Links • http://en.wikipedia.org/wiki/Maxwell's_demon • http://www.termodynamics.com/second.html • http://physicsworld.com/cws/article/news/26939 • http://en.wikipedia.org/wiki/Brownian_ratchet

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