ELECTRONICS: FUN AND FUNDAMENTALS
Improbable Slots Carnival Game
Customize it and calculate your odds of winning the big teddy.
AT A COUNTY FAIR LAST SUMMER, I saw an interesting new way to lose money. Players placed 4 quarters among 16 slots in a board, putting one coin in each row, as shown in Figure A. Each coin made an electrical connection between 2 contacts at the bottom of its slot. If you managed to arrange the coins in a secret winning combination, the coins completed a circuit, a light came on, and you won a monster-sized teddy bear.
Charles Platt
Fig. A: (Opposite) Simplified view of a ...
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