| http://www.w3.org/ns/prov#value | - The spontaneous change of one element into another has been witnessed, and the recent work of Sir William Ramsay suggests the possibility of realising the old alchemistic dream - the transmutation of the base metals into gold.The basic idea permeating all the alchemistic theories appears to have been this: All the metals (and, indeed, all forms of matter) are one in origin, and are produced by
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