4 ideas
16674 | The quantity is just the matter, in that it has extended parts and is diffuse [Charleton] |
1556 | By nature people are close to one another, but culture drives them apart [Hippias] |
20646 | Helmholtz used 'energy' to mathematically link heat, light, electricity and magnetism [Helmholtz, by Watson] |
20973 | All forces conserve the sum of kinetic and potential energy [Helmholtz, by Papineau] |