1) Archimedes. The Columbia Encyclopedia, Sixth Edition. 2001 ...Greek mathematician, physicist, and inventor. He is famous for his work in geometry (on the circle, sphere, cylinder, and parabola), physics, mechanics, and hydrostatics.... 2) Archimedes' screw. The Columbia Encyclopedia, Sixth Edition. 2001 ...Archimedes screw, a simple mechanical device believed to have been invented by Archimedes in the 3d cent. B.C. It consists of a cylinder inside of which a continuous... 3) Archimedes' principle. The Columbia Encyclopedia, Sixth Edition. 2001 ...Archimedes principle, principle that states that a body immersed in a fluid is buoyed up by a force equal to the weight of the displaced fluid. The principle applies... 4) buoyancy. The Columbia Encyclopedia, Sixth Edition. 2001 ...buoyancy, (boiŽnse, booŽyn-) (KEY) , upward force exerted by a fluid on any body immersed in it. Buoyant force can be explained in terms of Archimedes' principle.... 5) convection. The Columbia Encyclopedia, Sixth Edition. 2001 ...Convection depends on the fact that, in general, fluids expand when heated and thus undergo a decrease in density (since a given volume of the fluid contains less... 6) endless screw. The Columbia Encyclopedia, Sixth Edition. 2001 ...When a screw of this type is arranged to drive a cogwheel whose teeth mesh with its thread, the screw is called a worm gear. See Archimedes' screw.... 7) Marcellus. The Columbia Encyclopedia, Sixth Edition. 2001 ...Marcus Claudius Marcellus, c.268-208 B.C., was consul five times. In his first consulship he fought (222) against the Insubrian Gauls and killed their king in single... 8) Gauss, Carl Friedrich. The Columbia Encyclopedia, Sixth Edition. 2001 ...Johann Friederich Carl Gauss, 1777-1855, German mathematician, physicist, and astronomer. Gauss was educated at the Caroline College, Brunswick, and the Univ. of... 9) hydrometer. The Columbia Encyclopedia, Sixth Edition. 2001 ...The hydrometer is based on Archimedes' principle. The level at which the hydrometer floats depends only on the density of the liquid. Hence this level can be used... 10) Tartaglia, Niccolo. The Columbia Encyclopedia, Sixth Edition. 2001 ...Italian engineer and mathematician. Largely self-educated, he taught mathematics at Verona, Brescia, and Venice. A pioneer in applying mathematics to artillery, he... |