In this episode
The story of the pigeonhole principle for kids: why two people in London must have the same number of hairs on their heads, and how Peter Dirichlet set out the rule in 1834.
• Why more pigeons than pigeonholes means two must share
• How a French puzzle book used the hairs example back in 1622
• Why any 13 people include two born in the same month
• Quiz questions to answer along the way
Maths is Not Boring: rated 5★ on Apple Podcasts and 4.7★ on Spotify. Follow or subscribe to hear the story of a new great idea in maths every day.
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