5 ideas
16661 | There are two sorts of category - referring to things, and to circumstances of things [Boethius] |
1748 | Archelaus was the first person to say that the universe is boundless [Archelaus, by Diog. Laertius] |
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] |
5989 | Archelaus said life began in a primeval slime [Archelaus, by Schofield] |