The Riddle That Seems Impossible

The 100 Prisoners

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You're a bank robber trying to escape from jail. Can you solve

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Four friends claim they have been wrongly imprisoned. They are not criminals but mere harmless logicians! The warden says, "If ...

Do you think you can call yourself

An evil logician takes Alice and Bob captive. They have a chance to escape if they can deduce the total number of trees in the ...

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Sign up for our newsletter and never miss an animation: http://bit.ly/TEDEdNewsletter One hundred green-eyed logicians have ...

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IMPORTANT, READ! A FEW MORE THINGS TO ADD... Loads of people want things cleared up so here are a few more "rules": 1.

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