Rst 03/07/24
Cosmologies-systems of belief in general laws governing the uni- verse-have existed since prehistoric times. If the discoveries of modern anthropologists are any guide, they must have been univer- sal from a very early stage of man's development. Certainly all those modern peoples we choose to describe as 'primitive' possess their own cosmologies, which are often both complex and ingenious. The…
(IS)
Since the earliest days of NMR, it has been recognized that the technique can provide information on matters concerning the disposition of atoms in the unit cells of crystals. Thus, the distance between protons in the water molecules of gypsum, CaS04 . 2H2O, was determined by Pake and reported as 1.58 A in 1948. However, the term NMR crystallography has only recently come into common usage, and…