Alchemy
Alchemy was an early system of thinking about nature that contributed to the development of the modern science of chemistry. It was popular in ancient China, Persia, and western Europe throughout antiquity and the Middle Ages (400–1450). A combination of philosophy, metallurgical arts (the science of metals), and magic, alchemy was based on a distinctive world-view—that an essential correspondence exists between the microcosm and the macrocosm (the smallest and largest parts of the universe). Its objectives were: (1) to find ways of accelerating the rates at which metals were thought to "grow" within Earth in their development toward perfection (gold) and (2) to...
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