4 ideas
6493 | We are not conscious of pure liquidity, but of the liquidity of water [Firth] |
23053 | The great interest of the human race is cordial unity and unlimited mutual aid [Owen] |
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] |