4 ideas
22110 | Demonstration provides depth of understanding and explanation (rather than foundations) [Kretzmann/Stump] |
467 | A virtue is a combination of intelligence, strength and luck [Ion] |
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] |