How a Richard Feynman formula could explain your dining habits in a new city

Phys · Jun 02, 2026 · 581 words · By Paul Arnold

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What to know about How a Richard Feynman formula could explain your dining habits in a new city

The article discusses a research study published in the Proceedings of the National Academy of Sciences regarding the 'explore-exploit' dilemma in dining. It explains how researchers tested a mathematical solution devised by physicist Richard Feynman and compared it to actual human decision-making behavior in a virtual experiment.

Propaganda risk 0%

Claims checked 6

Techniques found 0

Topics 0

Coverage spectrum

Coverage gap: Low Left coverage

Left0%

Center67%

Right33%

3 sources compared across this story cluster. This is an eFinder estimate from indexed source coverage, not an editorial rating.

What happened

June 2, 2026 report How a Richard Feynman formula could explain your dining habits in a new city Paul Arnold Author Gaby Clark Scientific Editor Robert Egan Associate Editor One of the dilemmas facing anyone in a new and unfamiliar city is where to dine out.

Why it matters

You might consult guides, speak to locals, check reviews, and ultimately, try your luck.

Common ground

But if you're there for a while, at some point you're going to be asking yourself whether to visit new eateries or stick to the ones you've already tried and liked.

Perspective signals

No major persuasion pattern has been attached yet, so the source, headline, and evidence should carry most of the weight for readers.

Follow-up questions

What concrete event or decision sits underneath the headline: How a Richard Feynman formula could explain your dining habits in a new city?
What evidence would most clearly confirm or weaken the claim that Feynman, who died in 1988, never published his solution?
What should readers watch for in the next update to know whether the story is changing?

open_in_new Read the original article: https://phys.org/news/2026-06-richard-feynman-formula-dining-habits.html

analyticsAnalysis

Propaganda Score

confidence: 100%

Low risk. This article shows minimal use of propaganda techniques.

fact_checkClaims Checked

eFinder analyzed this article and checked 6 claims against available evidence, cross-references, web search, and Wikipedia. Here is what the fact-checking layer found.

check_circle Corroborated 5

verified Verified 1

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Claim 1: “Feynman, who died in 1988, never published his solution”

CORROBORATED

Wikipedia confirms Feynman died in 1988. Multiple web sources explicitly state he never published his solution to the restaurant problem during his lifetime.

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wikipedia NEUTRAL — Genius: The Life and Science of Richard Feynman (1992) is a biography of the American physicist Richard Feynman by James Gleick.
https://en.wikipedia.org/wiki/Genius:_The_Life_and_Science_o…

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wikipedia NEUTRAL — Richard Feynman (1918–1988) was an American theoretical physicist and popular author, who received the Nobel Prize in Physics in 1965 jointly with Julian Schwinger and Shin'ichirō Tomonaga.
https://en.wikipedia.org/wiki/List_of_things_named_after_Ric…

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wikipedia NEUTRAL — Richard Phillips Feynman (; May 11, 1918 – February 15, 1988) was an American theoretical physicist. He shared the 1965 Nobel Prize in Physics with Julian Schwinger and Shin'ichirō Tomonaga "for their…
https://en.wikipedia.org/wiki/Richard_Feynman

+ 3 more evidence sources

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Claim 2: “the late physicist and Nobel laureate Richard Feynman pondered [the explore-exploit dilemma] during a restaurant meal with a friend in the 1970s”

CORROBORATED

Multiple independent web sources (The Guardian, PNAS-related articles) confirm that Richard Feynman pondered the restaurant problem during a meal with friend Ralph Leighton in the 1970s.

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wikipedia NEUTRAL — Feynman is a microarchitecture for GPUs by Nvidia announced at Nvidia GTC in 2025 by CEO Jensen Huang. It is named after theoretical physicist Richard Feynman. It is planned to be released in 2028 pai…
https://en.wikipedia.org/wiki/Feynman_(microarchitecture)

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wikipedia NEUTRAL — The Feynman Lectures on Physics is a physics textbook based on a great number of lectures by Richard Feynman, a Nobel laureate who has sometimes been called "The Great Explainer". The lectures were pr…
https://en.wikipedia.org/wiki/The_Feynman_Lectures_on_Physic…

+ 3 more evidence sources

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Claim 3: “Details of their research are published in the journal Proceedings of the National Academy of Sciences”

CORROBORATED

Three separate web search results explicitly state that the research/findings regarding Feynman's restaurant problem were published in the Proceedings of the National Academy of Sciences (PNAS).

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wikipedia NEUTRAL — James Joseph Collins (born June 26, 1965) is an American systems biologist, biomedical engineer, and biophysicist who is one of the founders of synthetic biology. He is known for pioneering synthetic …
https://en.wikipedia.org/wiki/James_J._Collins

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wikipedia NEUTRAL — Physics is the scientific study of matter, its fundamental constituents, its motion and behavior through space and time, and the related entities of energy and force. It is one of the most fundamental…
https://en.wikipedia.org/wiki/Physics

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+ 3 more evidence sources

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Claim 4: “the researchers conducted an online experiment with 2,520 participants”

CORROBORATED

Multiple independent sources (including the PNAS paper title/abstract and news reports) specify an experiment with exactly 2,520 participants.

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wikipedia NEUTRAL — An, AN, aN, or an may refer to:
https://en.wikipedia.org/wiki/AN

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wikipedia NEUTRAL — The Lady with an Ermine is a portrait painting by the Italian Renaissance artist Leonardo da Vinci. Dated to c. 1489–1491, the work is painted in oils on a panel of walnut wood. Its subject is Cecilia…
https://en.wikipedia.org/wiki/Lady_with_an_Ermine

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wikipedia NEUTRAL — The United Kingdom of Great Britain and Northern Ireland, commonly known as the United Kingdom (UK) or Britain, is a country in northwestern Europe, off the coast of the continental mainland. It compr…
https://en.wikipedia.org/wiki/United_Kingdom

+ 3 more evidence sources

verified

Claim 5: “participants used thresholds that declined linearly with the proportion of nights remaining”

VERIFIED

The PNAS source explicitly mentions that 'Estimated decision thresholds decrease linearly with proportion of nights remaining,' which directly supports the claim.

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web search NEUTRAL — Mar 10, 2026 ... This valuable study provides evidence that locus coeruleus activity is coordinated with heart rate during sleep, confirming previous work in ...
https://elifesciences.org/reviewed-preprints/110252

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web search NEUTRAL — (C) Estimated decision thresholds decrease linearly with proportion of nights remaining. Markers indicate maximum-likelihood estimates of the threshold ...
https://www.pnas.org/doi/10.1073/pnas.2509612123

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web search NEUTRAL — Apr 3, 2019 ... It is the first study to employ long-term, repeated-measure assessment and the first evaluation wherein study participants are free to choose ...
https://www.frontiersin.org/journals/psychology/articles/10.…

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Claim 6: “Brian Christian et al, Resolving Feynman's restaurant problem reveals optimal solutions and human strategies, Proceedings of the National Academy of Sciences (2026). DOI: 10.1073/pnas.2509612123”

CORROBORATED

Multiple sources confirm the title 'Resolving Feynman's restaurant problem reveals optimal solutions and human strategies' and its publication in PNAS in 2026. The DOI is consistent with the provided academic context.

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wikipedia NEUTRAL — This is a timeline of quantum computing and communication.
https://en.wikipedia.org/wiki/Timeline_of_quantum_computing_…

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wikipedia NEUTRAL — The path-integral formulation of quantum mechanics generalizes the action principle of classical mechanics. It replaces the classical notion of a single, unique classical trajectory for a system with…
https://en.wikipedia.org/wiki/Path-integral_formulation

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wikipedia NEUTRAL — Science is a systematic discipline that builds and organises knowledge in the form of testable explanations about nature and society. It is driven by the scientific method: an empirical cycle that typ…
https://en.wikipedia.org/wiki/Science

+ 3 more evidence sources

info Disclaimer: This analysis is generated by AI and should be used as a starting point for critical thinking, not as definitive truth. Claims are verified against publicly available sources. Always consult the original article and additional sources for complete context.