When is a coin like a frisbee? Answer: When you flip it

Here is a new use for a super-high-speed video camera: Studying coin flip biases. It turns out that the mechanics of flipping a coin with your thumb introduces a frisbee-like action that makes the facing-up side of the coin more likely to come up when the coin stops. The results have implications in NFL overtime decisions as well as any other issue decided with a coin flip. Physorg.com has an item that goes into the details:


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