Paradoxes
Paradoxes
81 articles
Series Guides & Indexes
Index and guide articles that bring each series together. A great place to start reading.
Individual Articles
Paradoxes
The Barber Paradox: The Barber Who Shaves Only Non-Shavers
Paradoxes
Bell's Spaceship Paradox: Does the Thread Between Them Snap?
Paradoxes
Buridan's Ass: Starving Between Two Identical Choices
Paradoxes
d'Alembert's Paradox: In Theory, Water Offers No Resistance
Paradoxes
The Ehrenfest Paradox: A Spinning Disc Where Pi Is Not Pi
Paradoxes
The Friendship Paradox: Your Friends Have More Friends Than You
Paradoxes
Jevons Paradox: Efficiency That Consumes More, Not Less
Paradoxes
The Paradox of Plenty: Why Resource-Rich Nations Grow Poorer
Paradoxes
The Traveler's Dilemma: Reasoning Your Way to a Worse Payout
Paradoxes
Berry's Paradox: Naming the Unnameable in 57 Letters
Paradoxes
The Black Hole Information Paradox: Where Does It All Go?
Paradoxes
Curry's Paradox: One Sentence That Proves Anything at All
Paradoxes
The Flying Arrow Paradox: Motionless at Every Instant
Paradoxes
The Paradox of Hedonism: Aim at Happiness and It Recedes
Paradoxes
The Inspection Paradox: Waiting Longer for a 10-Minute Bus
Paradoxes
Moore's Paradox: A Sentence That Can Be True but Not Said
Paradoxes
Polchinski's Paradox: The Billiard Ball That Deflects Itself
Paradoxes
The Predestination Paradox: Preventing It Is What Caused It
Paradoxes
The Productivity Paradox: Computers Everywhere but the Statistics
Paradoxes
The Allais Paradox: How Certainty Distorts Your Judgement
Paradoxes
The Ellsberg Paradox: Why People Hate Unknown Odds
Paradoxes
Newcomb's Paradox: Take Both Boxes, or Only One?
Paradoxes
The Two Envelopes Paradox: Swapping Always Looks Better
Paradoxes
The Paradox of Value: Why Diamonds Cost More Than Water
Paradoxes
The Abilene Paradox: Everyone Agrees, Nobody Wanted It
Paradoxes
Achilles and the Tortoise: Zeno's Race Paradox
Paradoxes
All Horses Are the Same Color: Induction Gone Wrong
Paradoxes
The Banach–Tarski Paradox: One Ball Becomes Two
Paradoxes
Berkson's Paradox: How Selection Creates Fake Links
Paradoxes
Bertrand's Paradox: What Does 'Random' Even Mean?
Paradoxes
The Birthday Paradox: 23 People, 50% Odds of a Match
Paradoxes
The Bootstrap Paradox: Information With No Origin
Paradoxes
Braess's Paradox — Adding a Road Can Make Traffic Worse
Paradoxes
Cantor's Diagonal Argument: Infinities of Different Size
Paradoxes
The Paradox of Choice — Too Many Options Make People Unhappy
Paradoxes
The Fallacy of Composition: Rational Alone, Absurd Together
Paradoxes
The Voting Paradox: When Majority Rule Goes in Circles
Paradoxes
The Crocodile Paradox: A Promise Impossible to Keep
Paradoxes
The Deterrence Paradox: Weapons Built Never to Be Used
Paradoxes
The Easterlin Paradox: More Income, No More Happiness
Paradoxes
The EPR Paradox: Spooky Action at a Distance
Paradoxes
The False Positive Paradox: A Positive Test, Still Healthy
Paradoxes
The Fermi Paradox — If Aliens Exist, Where Are They?
Paradoxes
The French Paradox: Rich Diet, Low Heart Disease
Paradoxes
Gabriel's Horn — Finite Volume but Infinite Surface Area
Paradoxes
Galileo's Paradox: As Many Squares as Whole Numbers?
Paradoxes
The Garage Paradox: Can a Long Car Fit a Short Garage?
Paradoxes
The Giffen Paradox — When Rising Prices Increase Demand
Paradoxes
The Grandfather Paradox: Kill Your Own Grandfather?
Paradoxes
The Grue Paradox — Can Induction Really Be Trusted?
Paradoxes
Hempel's Raven Paradox: Does a Red Apple Prove It?
Paradoxes
Hilbert's Hotel: A Full Hotel With Room for One More
Paradoxes
The Innovator's Dilemma: Why Great Companies Fail
Paradoxes
The Liar's Paradox: Is 'This Statement Is False' True?
Paradoxes
Maxwell's Demon: Can a Demon Create Energy From Nothing?
Paradoxes
Meno's Paradox: Can You Search for What You Don't Know?
Paradoxes
The Missing Dollar — How Do 30 Dollars Become 29?
Paradoxes
The Monty Hall Problem: Why Switching Doors Wins
Paradoxes
Olbers' Paradox: Infinite Stars, Yet a Dark Night Sky
Paradoxes
The Omnipotence Paradox: A Stone Too Heavy for God?
Paradoxes
The Prisoner's Dilemma: Why Betrayal Beats Trust
Paradoxes
Russell's Paradox: The Contradiction That Shook Math
Paradoxes
Schrödinger's Cat — Alive and Dead at the Same Time
Paradoxes
The Ship of Theseus: Replace Every Part, Same Ship?
Paradoxes
Simpson's Paradox — Winning Every Group but Losing Overall
Paradoxes
The Sleeping Beauty Problem: Is It 1/2 or 1/3?
Paradoxes
The Sorites Paradox: When Does a Heap Stop Being One?
Paradoxes
The St. Petersburg Paradox: Infinite Value, Finite Price
Paradoxes
The Swampman: Is a Perfect Copy the Same Person?
Paradoxes
The Tea Leaf Paradox: Why Leaves Gather in the Center
Paradoxes
Thomson's Lamp: On or Off After Infinite Switches?
Paradoxes
The Three Prisoners Problem: Does News Change the Odds?
Paradoxes
The Paradox of Thrift: Saving Makes Everyone Poorer
Paradoxes
Tocqueville's Paradox: Better Times, More Discontent
Paradoxes
The Paradox of Tolerance: Must Tolerance Tolerate Hate?
Paradoxes
The Tragedy of the Commons: All Rational, All Ruined
Paradoxes
The Twin Paradox — Only the Traveling Twin Stays Young
Paradoxes
The Two Children Problem: Why 'At Least One Boy' Matters
Paradoxes
The Surprise Exam Paradox: An Impossible Announcement
Paradoxes