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census

(Encyclopedia) census, periodic official count of the number of persons and their condition and of the resources of a country. In ancient times, among the Jews and Romans, such enumeration was mainly…

pilgrim

(Encyclopedia) pilgrim, one who travels to a shrine or other sacred place out of religious motives. Pilgrimages are a feature of many religions and cultures. Examples in ancient Greece were the…

pendulum

(Encyclopedia) pendulum, a mass, called a bob, suspended from a fixed point so that it can swing in an arc determined by its momentum and the force of gravity. The length of a pendulum is the…

smart card

(Encyclopedia) smart card, small device that resembles a credit card but contains an embedded microprocessor to store and process information. Magnetic-stripe cards, which store a very small amount…

shoe

(Encyclopedia) shoe, foot covering, usually of leather, consisting of a sole and a portion above the sole called an upper. In prehistoric times skins or hides may have been tied around the foot for…

Sherman Antitrust Act

(Encyclopedia) Sherman Antitrust Act, 1890, first measure passed by the U.S. Congress to prohibit trusts; it was named for Senator John Sherman. Prior to its enactment, various states had passed…

Salzburg Festival

(Encyclopedia) Salzburg Festival, annual festival of music and drama held in Salzburg, Austria, for five weeks starting in late July. The festival may be considered a descendant of the Salzburg Music…

Roman roads

(Encyclopedia) Roman roads, ancient system of highways linking Rome with its provinces. Their primary purpose was military, but they also were of great commercial importance and brought the distant…

drugs

(Encyclopedia) drugs, substances used in medicine either externally or internally for curing, alleviating, or preventing a disease or deficiency. At the turn of the century only a few medically…

brain

(Encyclopedia) CE5 Brain brain, the supervisory center of the nervous system in all vertebrates. It also serves as the site of emotions, memory, self-awareness, and thought. Brain research, now…