HackerTube / Video
Feynman: Knowing versus Understanding
TehPhysicalist
A short clip of Richard Feynman on the difference between merely knowing how to reason mathematically and understanding why physical theories work. He discusses holding multiple equivalent ideas and guessing new laws.
HN uses it as a reference in threads on physics theories, models and what real understanding means.
5 Hacker News mentions · 2015–2025