4 ideas
468 | Musical performance can reveal a range of virtues [Damon of Ath.] |
22601 | Laissez-faire individualism doesn't work, especially in troublesome times [Keynes] |
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] |