Playful thinking

A number of balls are hidden in a rectangular arena. You have to deduce the positions of the balls by firing lasers positioned at the edges of the arena and observing how their beams are deflected.
Play it here or download it here.
Wikipedia has a long article about the game.
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on Saturday, May 15th, 2010 at 12:00 am and is filed under Playful thinking.
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