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Richard Feynman was born on 11 May 1918. Today would have been his 95th birthday. This isn’t...
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It isn’t Monday, but I’m puzzled every day of the week.Alice is puzzled too; she’s playing...
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After the scramble to get out of jail, here are some questions about imprisoned shapes! In my last...
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The solution to the Jailer’s Revenge question is fairly lengthy, so I think it warrants a separate...