Fun to Imagine

Richard Feynman, one of America's most renowned physicists, explores the beauty of the way atoms interact with each other and reveals why fires feel hot.

Why do rubber bands stretch and contract? And why do two magnets feel as though there's something in between them when they repel each other?

How electrical and magnetic forces work, and the importance of the discovery of electromagnetism.

Why do mirrors invert a reflection from right to left but not up to down?

Imagination is key when trying to understand such cosmic phenomena as black holes, quasars, and pulsars.

How to be a scientist, the human mind, and how nature doesn't let us relax.