5 ideas
15312 | We get the idea of power by abstracting from ropes, magnets and electric shocks [Priestley] |
20239 | Unlike us, the early Greeks thought envy was a good thing, and hope a bad thing [Hesiod, by Nietzsche] |
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] |
15311 | Attraction or repulsion are not imparted to matter, but actually constitute it [Priestley] |