PlayPuzzle·1h agoSink or Float Experiment for Kids: Discover the Science of Floating and Sinking!Why do some objects float on water while others sink? Have you ever wondered why a wooden block floats but a stone sinks?
InMath GamesbyPascal Bercker·21h agoAlice and Bob’s 5 Coin Game. When Unfair Coins Make a Fair GameA five-coin puzzle becomes an exercise in inverse probability, Bayesian networks, and the mathematics of fairness.A response icon1A response icon1
Nadin·22h agoA Rubik’s Cube Cipher: How Nine AIs Tackled One PuzzleOf nine AI models given a Rubik’s cube cipher puzzle, one solved it completely, two produced made-up answers backed by a fake…
Pradeep Mishra·1d agoFive Boxes. Every Label Is a Lie. Can You Solve It in Two Picks?The Fruit Box Puzzle, Part 2: your memorized trick won’t save you this time.A response icon1A response icon1
InAnalytics AvançadobyArnaldo Gunzi·1d agoResposta da recaptura de pássarosEm uma região, foram capturados, tageados e soltos 100 pássaros de uma dada espécie.
Imran Nuruhussen·2d agoPuzzleI recently did a really difficult puzzle. I went in thinking it would be easy and fun. It took ten hours. It was not easy, there were a lot…A response icon1A response icon1
InThinkArtbyKushagra Agarwal 🇮🇳🇮🇳 🇮🇳🇮🇳·3d agoThe Highest Number of Checkers on a 7×7 Chess BoardA Olympiad Mathematical ProblemA response icon1A response icon1
Cara Mandel·4d agoMy “Midnight Madness” 2026 Cinderella StoryTLDR: How a last-minute chance opportunity to play a 13.5 hour-long scavenger hunt all around NYC resulted in me playing on the first-place…A response icon1A response icon1
InAnalytics AvançadobyArnaldo Gunzi·4d agoPuzzle da recaptura de pássarosEm uma região, foram capturados, tageados e soltos 100 pássaros de uma dada espécie.
Sonia Akther·6d agoWhy Smart People Get This Simple Puzzle WrongThe bat-and-ball problem is not really about arithmetic. It is about the seductive first answer – and the habit of checking it.A response icon1A response icon1
