Why do trains stay on the track as they go around a curve?
In this video Richard Feynman explains why trains don’t need differential gears
Physics
Benoit Mandelbrot — The Fractalist: Memoir of a Scientific Maverick
“I have never done anything like others,” Benoit Mandelbrot (1924-2010) once said. That statement is proven time and time again in his autobiography: The Fractalist. Mandelbrot is …
Freeman Dyson on The Difference Between Science and Philsophy
Freeman Dyson, writing in The NY Review of Books: On quantum physics The essence of quantum physics is unpredictability. At every instant, the objects in our physical environment—the atoms in our …
Richard Feynman — Take the World From Another Point of View
In this clip from a documentary film shot in Yorkshire in 1973, physicist and philosopher Richard Feynman (1918-1988) talks with Fred Hoyle, an accomplished astronomer from the United Kingdom. Feynman …
Richard Feynman on Why Questions
In this beautiful video, Richard Feynman on the nature of why questions and how they help us understand the world. Interviewer: If you get hold of two magnets, and you push them, you can feel this …
Richard Feynman Teaches you the Scientific Method
The scientific method refers to a process of thought based on integrating previous knowledge, observing, measuring, and logical reasoning. In this short video taken from his lectures, Physicist …