6 ideas
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] |
18202 | The concept of a field gradually replaced the substances in explaining relations between charges [Einstein/Infeld] |
7598 | Zoroaster and the Hebrew prophets evolved different versions of monotheism [Zoroaster, by Armstrong,K] |
20672 | Zoroastrianism saw the world as a battle between good evil gods [Zoroaster, by Harari] |
7472 | Zarathustra was the first to present a god who is an abstract concept [Zoroaster] |