Category Archives: Puzzle

Propagating Errors

Jim mentioned Puzzled Pint a few months ago, but it conflicted with an improv rehearsal. However, this month, we decided to make Puzzled Pint our troupe’s social outing. The first step in Puzzled Pint is to figure out where the … Continue reading

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Jigsaw Puzzle Procrastination

“What made you decide to go to graduate school?” During a workshop about academic careers at Allerton in 2008, Roy Yates responded to the above question in one of my favorite responses to a question of this type: “It was … Continue reading

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The Doors

It was the first evening of the 2008 School of Information Theory, and Paul Cuff, then a grad student at Stanford, had just shared a probability puzzle about doors (not the Monty Hall problem). I don’t remember exactly how we … Continue reading

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Ages of Three Daughters

My uncle’s in town and just reminded me of a puzzle that he’d asked me over ten years ago. A census worker goes to a house and the person who answers the door tells the census worker that she has three daughters. “I need to know … Continue reading

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Passing Notes in Class

I just got back from a four-day camping trip for the Fourth. While roasting marshmallows and hiking along trails, I managed to fall into a few puzzles. Justin posed a puzzle that we’d formulated a while ago: a multi-person variation … Continue reading

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Fool Me Once

I recently started watching Penn and Teller’s Fool Me, a show in which magicians try to fool Penn and Teller for a shot to perform in Vegas. After one of the episodes, there was a trick that I couldn’t even begin … Continue reading

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Voting Paradox

Inspired by the upcoming elections, I spent a little time yesterday trying to think up an example in which people could potentially have logically consistent beliefs individually but as a whole produce logically inconsistent outcomes. The result of that effort … Continue reading

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