From the archive · #160
A little curiosity.
From the archive.
Five flashcards. A fresh discovery. Your moment to get a little more out of the world.
June 9, 2026Chance & ParadoxesNo account needed · No timer
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Prompt: This birthday-sharing puzzle reaches just over a 50% match probability with 23 people under the usual equal-day assumptions.
Math & LogicA little curiosity
Probability or paradox · RECALLThis birthday-sharing puzzle reaches just over a 50% match probability with 23 people under the usual equal-day assumptions.Think it. Then flip it.
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Explore the archive ↗See these five prompts
- 01This birthday-sharing puzzle reaches just over a 50% match probability with 23 people under the usual equal-day assumptions.
- 02This quantum thought experiment puts a feline in a box with a mechanism linked to radioactive decay.
- 03This branch of mathematics studies counting, arranging and selecting objects.
- 04This fallacy treats an independent losing streak as evidence that a win is now due.
- 05This ancient Greek philosopher's paradox divides a journey into endlessly smaller distances to challenge the possibility of motion.