The Global Shell Game
June 6th, 2013
A shell game is a well-known parlor game in which players try to follow the movement of a ball placed under one of three quickly shuffled shells or cups and then try to correctly guess the shell that covers the ball once they are brought to rest.
When the operator of the game is especially skilled, correctly tracking the ball can prove quite difficult. If a skilled and dishonest operator uses sleight of hand to covertly move the ball to one of the shells not identified by a player, the game becomes impossible to win, a veritable “confidence trick used...
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