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Entropy 2013, 15(6), 2210-2217; doi:10.3390/e15062210

Entropy Harvesting

Ariel University, Physics Faculty, P.O.B. 3, Ariel 40700, Israel
Received: 16 February 2013 / Revised: 3 May 2013 / Accepted: 24 May 2013 / Published: 4 June 2013
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The paper introduces the notion of “entropy harvesting” in physical and biological systems. Various physical and natural systems demonstrate the ability to decrease entropy under external stimuli. These systems, including stretched synthetic polymers, muscles, osmotic membranes and suspensions containing small hydrophobic particles, are called “entropic harvesters”. Entropic force acting in these systems increases with temperature. Harvested entropy may be released as mechanical work. The efficiency of entropy harvesting increases when the temperature is decreased. Natural and artificial energy harvesters are presented. Gravity as an entropic effect is discussed.
Keywords: entropy harvesting; entropic force; gravity; natural energy harvesters entropy harvesting; entropic force; gravity; natural energy harvesters
This is an open access article distributed under the Creative Commons Attribution License (CC BY) which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Bormashenko, E. Entropy Harvesting. Entropy 2013, 15, 2210-2217.

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