How Do TRAINS Stay On The Track? — The Answer Broke Feynman's Students

Transcript

Let me ask you something that sounds so simple you might laugh. What keeps a train on the track? Go ahead, think about it. I bet most of you just pictured those little lips on the wheels. The flanges, those raised edges that stick out on the inside. You figured the flanges bump against the rail whenever the train starts to wander. And that keeps th... Read More