4 ideas
527 | Everything exists which anyone perceives [Metrodorus of Chios] |
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] |
9287 | Bruno said that ancient Egyptian magic was the true religion [Bruno, by Yates] |