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- Brownian_ratchet abstract "In the philosophy of thermal and statistical physics, the Brownian ratchet or Feynman-Smoluchowski ratchet is a thought experiment about an apparent perpetual motion machine first analysed in 1912 by Polish physicist Marian Smoluchowski and popularised by American Nobel laureate physicist Richard Feynman in a physics lecture at the California Institute of Technology on May 11, 1962, and in his text The Feynman Lectures on Physics as an illustration of the laws of thermodynamics. The simple machine, consisting of a tiny paddle wheel and a ratchet, appears to be an example of a Maxwell's demon, able to extract useful work from random fluctuations (heat) in a system at thermal equilibrium in violation of the second law of thermodynamics. Detailed analysis by Feynman and others showed why it cannot actually do this.".
- Brownian_ratchet thumbnail Feynman_ratchet.png?width=300.
- Brownian_ratchet wikiPageExternalLink why.
- Brownian_ratchet wikiPageExternalLink ratchet.html.
- Brownian_ratchet wikiPageExternalLink SCIENCE1999.pdf.
- Brownian_ratchet wikiPageExternalLink motor.
- Brownian_ratchet wikiPageExternalLink 222.
- Brownian_ratchet wikiPageExternalLink BrownianmotorsAnnPhys.pdf.
- Brownian_ratchet wikiPageExternalLink 309.pdf.
- Brownian_ratchet wikiPageExternalLink news195819314.html.
- Brownian_ratchet wikiPageID "432276".
- Brownian_ratchet wikiPageRevisionID "603744102".
- Brownian_ratchet hasPhotoCollection Brownian_ratchet.
- Brownian_ratchet subject Category:Concepts_in_physics.
- Brownian_ratchet subject Category:Nanotechnology.
- Brownian_ratchet subject Category:Perpetual_motion.
- Brownian_ratchet subject Category:Philosophy_of_thermal_and_statistical_physics.
- Brownian_ratchet subject Category:Richard_Feynman.
- Brownian_ratchet subject Category:Thought_experiments_in_physics.
- Brownian_ratchet type Abstraction100002137.
- Brownian_ratchet type Act100030358.
- Brownian_ratchet type Activity100407535.
- Brownian_ratchet type Cognition100023271.
- Brownian_ratchet type Concept105835747.
- Brownian_ratchet type Content105809192.
- Brownian_ratchet type Event100029378.
- Brownian_ratchet type Experiment100639556.
- Brownian_ratchet type FundamentalPhysicsConcepts.
- Brownian_ratchet type Idea105833840.
- Brownian_ratchet type Investigation100633864.
- Brownian_ratchet type PsychologicalFeature100023100.
- Brownian_ratchet type Research100636921.
- Brownian_ratchet type ScientificResearch100641820.
- Brownian_ratchet type ThoughtExperimentsInPhysics.
- Brownian_ratchet type Work100575741.
- Brownian_ratchet type YagoPermanentlyLocatedEntity.
- Brownian_ratchet comment "In the philosophy of thermal and statistical physics, the Brownian ratchet or Feynman-Smoluchowski ratchet is a thought experiment about an apparent perpetual motion machine first analysed in 1912 by Polish physicist Marian Smoluchowski and popularised by American Nobel laureate physicist Richard Feynman in a physics lecture at the California Institute of Technology on May 11, 1962, and in his text The Feynman Lectures on Physics as an illustration of the laws of thermodynamics.".
- Brownian_ratchet label "Brownian ratchet".
- Brownian_ratchet label "Molekulare Ratsche".
- Brownian_ratchet label "Nottolino browniano".
- Brownian_ratchet label "Zapadka brownowska".
- Brownian_ratchet label "ブラウン・ラチェット".
- Brownian_ratchet sameAs Molekulare_Ratsche.
- Brownian_ratchet sameAs Nottolino_browniano.
- Brownian_ratchet sameAs ブラウン・ラチェット.
- Brownian_ratchet sameAs Zapadka_brownowska.
- Brownian_ratchet sameAs m.027tnx.
- Brownian_ratchet sameAs Q1777915.
- Brownian_ratchet sameAs Q1777915.
- Brownian_ratchet sameAs Brownian_ratchet.
- Brownian_ratchet wasDerivedFrom Brownian_ratchet?oldid=603744102.
- Brownian_ratchet depiction Feynman_ratchet.png.
- Brownian_ratchet isPrimaryTopicOf Brownian_ratchet.