Maxwell's demon thought experiment
E14943
Maxwell's demon thought experiment is a famous conceptual scenario in thermodynamics that imagines an intelligent being seemingly violating the second law by sorting fast and slow gas molecules without expending energy.
All labels observed (6)
| Label | Occurrences |
|---|---|
| Maxwell demon | 1 |
| Maxwell's demon paradox | 1 |
| Maxwell's demon resolution | 1 |
| Maxwell's demon thought experiment canonical | 1 |
| Maxwell's demon thought experiments | 1 |
| Szilard engine | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T130765 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
Target entity: Maxwell's demon thought experiment Context triple: [James Clerk Maxwell, knownFor, Maxwell's demon thought experiment]
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A.
Dyson series
The Dyson series is a perturbative expansion in quantum field theory that expresses time-ordered exponentials and scattering amplitudes as an infinite series of integrals, each term corresponding to a Feynman diagram.
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B.
Feynman O-ring ice water demonstration
The Feynman O-ring ice water demonstration was a televised experiment by physicist Richard Feynman during the Challenger disaster investigation, vividly showing how cold temperatures compromised the shuttle’s O-ring seals.
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C.
Feynman sprinkler problem
The Feynman sprinkler problem is a famous physics thought experiment that examines how a submerged, water-aspirating sprinkler would move, highlighting subtleties in fluid dynamics and momentum conservation.
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D.
On a Heuristic Point of View Concerning the Production and Transformation of Light
"On a Heuristic Point of View Concerning the Production and Transformation of Light" is Albert Einstein’s 1905 paper that introduced the concept of light quanta (photons), laying the foundation for quantum theory and explaining the photoelectric effect.
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E.
On the Motion of Small Particles Suspended in Liquids at Rest Required by the Molecular-Kinetic Theory of Heat
"On the Motion of Small Particles Suspended in Liquids at Rest Required by the Molecular-Kinetic Theory of Heat" is Albert Einstein’s 1905 paper that provided a theoretical explanation of Brownian motion, offering strong evidence for the existence of atoms and molecules.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Target entity: Maxwell's demon thought experiment Target entity description: Maxwell's demon thought experiment is a famous conceptual scenario in thermodynamics that imagines an intelligent being seemingly violating the second law by sorting fast and slow gas molecules without expending energy.
-
A.
Dyson series
The Dyson series is a perturbative expansion in quantum field theory that expresses time-ordered exponentials and scattering amplitudes as an infinite series of integrals, each term corresponding to a Feynman diagram.
-
B.
Feynman O-ring ice water demonstration
The Feynman O-ring ice water demonstration was a televised experiment by physicist Richard Feynman during the Challenger disaster investigation, vividly showing how cold temperatures compromised the shuttle’s O-ring seals.
-
C.
Feynman sprinkler problem
The Feynman sprinkler problem is a famous physics thought experiment that examines how a submerged, water-aspirating sprinkler would move, highlighting subtleties in fluid dynamics and momentum conservation.
-
D.
On a Heuristic Point of View Concerning the Production and Transformation of Light
"On a Heuristic Point of View Concerning the Production and Transformation of Light" is Albert Einstein’s 1905 paper that introduced the concept of light quanta (photons), laying the foundation for quantum theory and explaining the photoelectric effect.
-
E.
On the Motion of Small Particles Suspended in Liquids at Rest Required by the Molecular-Kinetic Theory of Heat
"On the Motion of Small Particles Suspended in Liquids at Rest Required by the Molecular-Kinetic Theory of Heat" is Albert Einstein’s 1905 paper that provided a theoretical explanation of Brownian motion, offering strong evidence for the existence of atoms and molecules.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
concept in statistical mechanics
ⓘ
thermodynamics thought experiment ⓘ thought experiment ⓘ |
| aimsToIllustrate | apparent violation of the second law of thermodynamics ⓘ |
| apparentEffect | decrease of entropy in an isolated system ⓘ |
| category |
history of thermodynamics
ⓘ
paradox in physics ⓘ |
| challenges | second law of thermodynamics ⓘ |
| consequence | one side of the box heats up and the other cools down ⓘ |
| coreIdea | an intelligent being can sort fast and slow gas molecules without apparent energy cost ⓘ |
| describedIn |
Théorie analytique de la chaleur
ⓘ
surface form:
Theory of Heat
letter to Peter Guthrie Tait ⓘ |
| describedInYear | 1871 ⓘ |
| features |
a hypothetical intelligent being called a demon
ⓘ
a partitioned box of gas ⓘ a small trapdoor between compartments ⓘ |
| field |
physics
ⓘ
statistical mechanics ⓘ thermodynamics ⓘ |
| hasAlternativeName |
Maxwell's demon thought experiment
ⓘ
surface form:
Maxwell demon
Maxwell's demon thought experiment ⓘ
surface form:
Maxwell's demon paradox
|
| influenced |
modern information thermodynamics
ⓘ
quantum thermodynamics discussions ⓘ |
| inspiredWorkBy |
Charles H. Bennett
ⓘ
Leo Szilard ⓘ Rolf Landauer ⓘ |
| involves |
entropy
ⓘ
gas molecules ⓘ information ⓘ temperature differences ⓘ |
| mechanism | demon opens and closes a door to separate fast and slow molecules ⓘ |
| proposalYear | 1867 ⓘ |
| proposedBy | James Clerk Maxwell ⓘ |
| relatedConcept |
Boltzmann–Gibbs entropy in statistical mechanics
ⓘ
surface form:
Boltzmann entropy
Landauer's principle ⓘ Shannon entropy ⓘ
surface form:
Shannon information
Maxwell's demon thought experiment self-linksurface differs ⓘ
surface form:
Szilard engine
information entropy ⓘ |
| resolutionIdea |
entropy increase is associated with memory reset of the demon
ⓘ
information acquisition and erasure have thermodynamic costs ⓘ |
| status | does not actually violate the second law when information costs are included ⓘ |
| teaches |
importance of microscopic fluctuations in thermodynamics
ⓘ
role of measurement in physical laws ⓘ |
| usedToDiscuss |
foundations of the second law of thermodynamics
ⓘ
limits of computation ⓘ relationship between information and thermodynamics ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Subject: Maxwell's demon thought experiment Description of subject: Maxwell's demon thought experiment is a famous conceptual scenario in thermodynamics that imagines an intelligent being seemingly violating the second law by sorting fast and slow gas molecules without expending energy.
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.