TURBINESFIND OUT MOREMany modern machines, from motorbikes to jet aircraft, are powered by engines. An engine is a machine that turns fuel into movement. The fuel is burned to generate heat…
(Amendments I to X inclusive, popularly known as the Bill of Rights, were proposed and sent to the states by the first session of the First Congress. They were ratified Dec. 15, 1791.)Amendment I[…
Energy is the power that we use for transportation, for heat and light in our homes and other places, and for the manufacture of all kinds of products. It has many other uses, too. The development…
Selected records. Source: National Aeronautic AssociationGreat Circle Distance Without LandingInternational: 2,213.04 mi; 3,561.55 km.Robert G. Ferry (U.S.) in Hughes YOH-6A helicopter powered by…
Born: 1919Birthplace: New Haven, Conn. High-voltage, high-power semiconductor pin rectifier—Hall's invention boosted efficiency and reduced wasted power and destructive heat build-up in large-scale…
Sojourner Truth See also Martin Luther King, Jr., Biography Martin Luther King, Jr., Timeline African-American Religious Leaders Civil Rights Leaders Civil Rights Movement…
(Encyclopedia) Lady of the Lake, in Arthurian legend, a misty, supernatural figure endowed with magic powers, who gave the sword Excalibur to King Arthur. She inhabited a castle in an underwater…
(Encyclopedia) Hilary of Arles, SaintHilary of Arles, Sainthĭlˈərē, ärl [key], d. 449, Gallo-Roman churchman. Forsaking riches, he entered the monastery at Lérins. He was made archbishop of Arles (c.…
(Encyclopedia) Alarcón, Pedro Antonio deAlarcón, Pedro Antonio depāᵺˈrō äntōˈnyō [key]Alarcón, Pedro Antonio de dā älärkōnˈ [key], 1833–91, Spanish writer, politician, and diplomat. He wrote several…
(Encyclopedia) Far East, in the most restricted sense, region comprising the countries of E Asia, namely China, Japan, North Korea, South Korea, Mongolia, and Taiwan, and the easternmost portion of…
