4 ideas
17619 | We renounce all abstract entities [Goodman/Quine] |
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] |
20698 | Irenaeus says evil is necessary for perfect human development [Irenaeus, by Davies,B] |