A Window Is Not Yet a Witness

🔊 Listen to this post &#xA; On old warplanes, the bullet holes seem to tell a clear story. &#xA; You look at the wings and fuselage, speckled with damage, and the obvious thought arrives wearing the costume of common sense: reinforce the places where the holes are. &#xA; But Abraham Wald , the mathematician who became famous for refusing obvious thoughts, saw the trick. The planes that came back…