Feynman's Threshold Was Correct
In the late 1970s, Richard Feynman turned a visit to a Thai restaurant into a problem in decision theory: how adventurous should a rational diner be? He scribbled a solution on a sheet of paper and set it aside. Fifty years later, a study with 2,520 participants has confirmed that his answer was optimal.
The problem is deceptively clean. A diner visits a…



