Alchemy is an
ancient pseudoscience concerned with the transmutation
of base metals into gold and with the discovery of both a single cure
for all diseases and a way to prolong life indefinitely. Alchemy
emerged as a pseudoscience in China an in Egypt during the early
centuries of this era. In China it was associated with Taoist
philosophy and purported to transmute base metals into gold by
use of a “medicine”. The gold so produced was thought to have the
ability to cure diseases and to prolong life. The mystical
element was always strong in alchemy and became dominant with time so
that in China degenerated into a complex of superstitions.
In Egypt, the methods of
transmutation of metals were kept secret by temple priests. Those
recipes became widely known at academy in Alexandria. Alchemy
had its basis in the skills of Egyptian artisan, Eastern
mysticism and Aristotelian theory of composition of matter. Aristotle
taught that all matter was composed of four elements: water, earth,
fire and air. According to this theory, different materials found in
nature had different ratios of these four elements. Therefore,
by proper treatment a base metal could be changed into gold. These
ideas were further supported by astrological speculation from
Mesopotamia.
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