4 ideas
6019 | If someone squashed a horse to make a dog, something new would now exist [Mnesarchus] |
16719 | The primary qualities are mixed to cause secondary qualities [Burley] |
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] |