The mathematician Dr. Hannah Fry looks at how game theory can improve our lives.
She demonstrates how this theory can be used from minor things like stopping children from arguing in the middle of a car journey, to major things like how it can stop nuclear war. There is also a rather odd demonstration of it by looking at an episode of the old game show Golden Balls that is now used to teach university students.
The Joy of Winning is on BBC Four at 21.00.
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