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Mathematics, applications of mathematics to life in general, and my life as a mathematician.
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A new hat puzzle from Gribalko, reminding me of traffic lights. Puzzle. You and six of your mathematician friends each have a hat placed on your head. Each of you can see the hats of …
I once saw a TikTok video featuring a puzzle: four matches were arranged to form a plus sign, and the challenge was to move one match to create a square. The solution shown differed from …
The deck for the game of SET consists of 81 cards. Each card has 1, 2, or 3 identical objects. Each object is an oval, a diamond, or a squiggly, colored in red, green, or …