> Something being possible, even if unlikely, is obviously more dangerous than something being impossible. Feynman would definitely understand that even if he i

> Something being possible, even if unlikely, is obviously more dangerous than something being impossible. Feynman would definitely understand that even if he insisted that the main reason for the shape of the cover is the shape of the hole (which is probably true). This is a very good point for someone who is known, among other things, for his O-ring demonstration (https://en.wikipedia.org/wiki/Rogers_Commission_Report#Role_of_Richard_Feynman https://en.wikipedia.org/wiki/Rogers_Commission_Report#Role_...).