6 ideas
16616 | Substances 'substand' (beneath accidents), or 'subsist' (independently) [Eustachius] |
16585 | Prime matter is free of all forms, but has the potential for all forms [Eustachius] |
13304 | Learned men gain more in one day than others do in a lifetime [Posidonius] |
20645 | Heat is a state of vibration, not a substance [Joule] |
20972 | Joule showed that energy converts to heat, and heat to energy [Joule, by Papineau] |
20820 | Time is an interval of motion, or the measure of speed [Posidonius, by Stobaeus] |