(Encyclopedia) Swiss Guards, Swiss mercenaries who fought in various European armies from the 15th cent. until the 19th cent. These mercenaries, who were not volunteers, were put at the disposal of…
The system of checks and balances is an important part of the Constitution. With checks and balances, each of the three branches of government can limit the powers of the others. This way, no one…
(Encyclopedia) typewriter, instrument for producing by manual operation characters similar to those of printing. Corresponding to each key on the instrument's keyboard is a steel type. Activated…
WHAT IS A HEAT ENGINE? WHAT IS AN INTERNAL COMBUSTION ENGINE? HOW DOES A STEAM ENGINE WORK? HOW DOES A JET ENGINE WORK? GASOLINE ENGINEBIOGRAPHY: FRANK WHITTLE English, 1907-1996 TURBINESFUEL…
ELECTRIC TRAINSBIOGRAPHY: NIKOLA TESLA American, 1856-1943FIND OUT MOREElectric motors make things move. They convert electrical power into mechanical power using electromagnetic attraction and…
(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) 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…
(Encyclopedia) Farrar, Edgar HowardFarrar, Edgar Howardfărˈər [key], 1849–1922, American lawyer, b. Concordia, La. He made his home in New Orleans, where he had a large corporation practice. He was…
