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Eco, Umberto
(Encyclopedia)Eco, Umberto əmbĕrˈtō ĕcō [key], 1932–2016, Italian novelist, essayist, and semiotics scholar. His first novel, the best-selling Il nome della rosa (1980; tr. The Name of the Rose, 1983, film ...vibration
(Encyclopedia)vibration, in physics, commonly an oscillatory motion—a movement first in one direction and then back again in the opposite direction. It is exhibited, for example, by a swinging pendulum, by the pr...seismology
(Encyclopedia)seismology sīzmŏlˈəjē, sīs– [key], scientific study of earthquakes and related phenomena, including the propagation of waves and shocks on or within the earth by natural or artificially genera...energy
(Encyclopedia)CE5 Relations between potential energy (PE) and kinetic energy (KE) for a swinging pendulum energy, in physics, the ability or capacity to do work or to produce change. Forms of energy include hea...torpedo , in naval warfare
(Encyclopedia)torpedo, in naval warfare, a self-propelled submarine projectile loaded with explosives, used for the destruction of enemy ships. Although there were attempts at subsurface warfare in the 16th and 17t...balance
(Encyclopedia)balance, instrument used in laboratories and pharmacies to measure the mass or weight of a body. A balance functions by measuring the force of gravity that the earth exerts on an object, i.e., its wei...Galileo
(Encyclopedia)Galileo (Galileo Galilei) gălˌĭlēˈō; gälēlĕˈō gälēlĕˈē [key], 1564–1642, great Italian astronomer, mathematician, and physicist. By his persistent investigation of natural laws he la...labor law
(Encyclopedia)labor law, legislation dealing with human beings in their capacity as workers or wage earners. The Industrial Revolution, by introducing the machine and factory production, greatly expanded the class ...Browse by Subject
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