The Museum of Mathematics in New York ihas set up a weekly challenge for the house-bound mind. Each Sunday an elegant puzzle from the collection of the master puzzler, Peter Winkler, arrives in your inbox. It is followed by a subtle hint on Tuesday, a serious push on Thursday and the full solution on Saturday.
In the past two weeks. I have been asked to help Oskar the ostrich test the hardness of his eggs by dropping them from ever higher floors of the Empire State Building, and to find short cuts for someone in a hurry who has forgotten the number of their faulty combination lock. Sign up, stay sharp and start puzzling.
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