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Trace amounts of the neptunium isotopes neptunium-237 and -239 are found naturally as decay products from transmutation reactions in uranium ores. [7] [34] 239 Np and 237 Np are the most common of these isotopes; they are directly formed from neutron capture by uranium-238 atoms.
The term transmutation dates back to alchemy.Alchemists pursued the philosopher's stone, capable of chrysopoeia – the transformation of base metals into gold. [3] While alchemists often understood chrysopoeia as a metaphor for a mystical or religious process, some practitioners adopted a literal interpretation and tried to make gold through physical experimentation.
Dimensional transmutation, a physical mechanism providing a linkage between a dimensionless parameter and a dimensionful parameter; Nuclear transmutation, the conversion of a chemical element or isotope into another chemical element or isotope
In philosophy, metempsychosis (Ancient Greek: μετεμψύχωσις) is the transmigration of the soul, especially its reincarnation after death. The term is derived from ancient Greek philosophy, and has been recontextualized by modern philosophers such as Arthur Schopenhauer, [1] Kurt Gödel, [2] Mircea Eliade, [3] and Magdalena Villaba; [4] otherwise, the word "transmigration" is more ...
Some alchemists also circulated steps for the creation of practical medicines and substances, that have little to do with the magnum opus. The cryptic and often symbolic language used to describe both adds to the confusion, but it's clear that there is no single standard step-by-step recipe given for the creation of the philosopher's stone.
Transubstantiation – the real presence of Jesus in the Eucharistic Adoration at Saint Thomas Aquinas Cathedral in Reno, Nevada. Transubstantiation (Latin: transubstantiatio; Greek: μετουσίωσις metousiosis) is, according to the teaching of the Catholic Church, "the change of the whole substance of bread into the substance of the Body of Christ and of the whole substance of wine ...