4 ideas
490 | Everything happens by reason and necessity [Leucippus] |
3284 | There is no one theory of how to act (or what to believe) [Nagel] |
20645 | Heat is a state of vibration, not a substance [Joule] |
20972 | Joule showed that energy converts to heat, and heat to energy [Joule, by Papineau] |