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Slavic religion
(Encyclopedia) Slavic religion, pre-Christian religious practices among the Slavs of Eastern Europe. There is only fragmentary and scattered information about the myths and legends of the pagan Slavs…psychosomatic medicine
(Encyclopedia) psychosomatic medicinepsychosomatic medicinesīˌkōsōmătˈĭk [key], study and treatment of those emotional disturbances that are manifested as physical disorders. The term psychosomatic…cryptography
(Encyclopedia) cryptographycryptographykrĭptŏgˈrəfē [key] [Gr.,=hidden writing], science of secret writing. There are many devices by which a message can be concealed from the casual reader, e.g.,…free energy
(Encyclopedia) free energy or Gibbs free energy, quantity derived from the relationships between heat and work studied in thermodynamics and used as a measure of the relative stability of a physical…games, theory of
(Encyclopedia) games, theory of, group of mathematical theories first developed by John Von Neumann and Oskar Morgenstern. A game consists of a set of rules governing a competitive situation in which…lobbying
(Encyclopedia) lobbying, practice and profession of influencing governmental decisions, carried out by agents who present the concerns of special interests to legislators and administrators. The term…folklore
(Encyclopedia) folklore, the body of customs, legends, beliefs, and superstitions passed on by oral tradition. It includes folk dances, folk songs, folk medicine (the use of magical charms and herbs…stratosphere
(Encyclopedia) stratospherestratospherestrătˈəsfēr [key], second lowest layer of the earth's atmosphere. The level from which it extends outward varies with latitude; it begins c.51&fslsh;2 mi (9…water power
(Encyclopedia) water power, mechanical energy derived from falling or flowing water, e.g., rivers, streams, and the overflow of dams. The wooden water wheel, long utilized for driving machinery in…Thucydides
(Encyclopedia) ThucydidesThucydidesth&oomacr;sĭdˈĭdēz [key], c.460–c.400 b.c., Greek historian of Athens, one of the greatest of ancient historians. His family was partly Thracian. As a general…Trending
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