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puzzles Reference library
James Dalgety
The Oxford Companion to the Mind (2 ed.)
...puzzle? Even these accidental problems can become puzzles if approached in a recreational way. ‘Cup and ball’ is one of the earliest dexterity puzzles and together with its variants, where you have to try and stab a stick through bone rings, has probably been popular since neolithic times, to develop stabbing skills. Two thousand years ago, Hero of Alexandria wrote in his work about pneumatics of various ‘trick’ vessels, among others for pouring wine and water from the same jug, and for producing ‘magic’ fountains. The Exeter Museum in England has a...
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