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Math & Theory 259 of 360 Next video
9:27

Pentagons Are Terrible at One Thing

CGP Grey·Length: 9 minutes9:27·Recreational & visual math

In brief

A CGP Grey video about why pentagons are bad at tiling and why hexagons are so special, in his usual playful style. It touches on honeycombs and tiling in nature.

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All 360 videos

Videos, their order and the “In brief” summaries come from the “Mathematics & Theoretical CS” area of HackerTube (data exported 2026-10-31, checked 2026-11-09). That data is licensed under ODC-By 1.0 and derived from the open-index/hacker-news dataset. Hacker News data is provided by Y Combinator.

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