The Light Switch Problem - Numberphile

Featuring Ben Sparks... See https://brilliant.org/numberphile for Brilliant and get 20% off their premium service and 30-day trial (episode sponsor)... More links & stuff in full description below ↓↓↓

This is also widely known as The Locker Problem - we liked the light switches better!

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Видео The Light Switch Problem - Numberphile канала Numberphile