bifurcation problem
71star cluster — Astron. a number of stars of common origin held together as a group by gravitational attraction. Cf. globular cluster, open cluster, stellar association. * * * ▪ astronomy Introduction either of two general types of stellar assemblages held… …
72nervous system, human — ▪ anatomy Introduction system that conducts stimuli from sensory receptors to the brain and spinal cord and that conducts impulses back to other parts of the body. As with other higher vertebrates, the human nervous system has two main… …
73Hydrogen bond — A hydrogen bond results from a dipole dipole force between an electronegative atom and a hydrogen atom bonded to nitrogen, oxygen or fluorine (thus the name hydrogen bond , which must not be confused with a covalent bond to hydrogen). The energy… …
74Shaped charge — Sectioned high explosive anti tank round with the inner shaped charge visible …
75Advanced gas-cooled reactor — An advanced gas cooled reactor (AGR) is a type of nuclear reactor. These are the second generation of British gas cooled reactors, using graphite as the neutron moderator and carbon dioxide as coolant. The AGR was developed from the Magnox… …
76Palatine uvula — See also: Uvula of cerebellum and Uvula of urinary bladder Uvula Uvula s location in the human mouth Latin uvula palatina …
77Either/Or — For the Elliott Smith album, see Either/Or (album). For the game show, see Either/Or (TV series). Either/Or   …
78History of the Soviet Union (1953–1985) — The Cold War ensued as the USSR and the United States struggled indirectly for influence around the world.De Stalinization and the Khrushchev era: See also: Nikita Khrushchev After Stalin died in March 1953, he was succeeded by Nikita Khrushchev… …
79Husayn ibn Ali — infobox Imams name = Husayn ash Shahīd given name = Husayn ibn ‘Alī rank = Third Twelver/Zaydi/Musta‘lī Imām Second Nizārī Imām subtitle = Abu ‘Abdillāh [Kitab al Irshad, p. 198.] birth = 3rd [Mohammad Hussein il’adeeb. The brief history of the… …
80Cinema of Hong Kong — A statue on the Avenue of Stars, a tribute to Hong Kong cinema. The cinema of …
