(Encyclopedia) GnosticismGnosticismnŏsˈtĭsĭzəm [key], dualistic religious and philosophical movement of the late Hellenistic and early Christian eras. The term designates a wide assortment of sects,…
(Encyclopedia)
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Magnetic tape-recording system
tape recorder, device for recording and replaying of sound, video, and digital information on plastic (usually polyester) or paper tape. The tape…
(Encyclopedia) metallurgymetallurgymĕtˈəlûrˌjē [key], science and technology of metals and their alloys. Modern metallurgical research is concerned with the preparation of radioactive metals, with…
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A. Series circuit: Current is the same through each resistance; voltage divides in direct proportion to each resistance.
B. Parallel circuit: Voltage drop is the same over each…
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Lines of induction around a single bar magnet and between opposite poles of different magnets
magnetism, force of attraction or repulsion between various substances, especially…
(Encyclopedia) nucleosynthesis or nucleogenesis, in astronomy, production of all the chemical elements from the simplest element, hydrogen, by thermonuclear reactions within stars, supernovas, and in…
(Encyclopedia) PlatoPlatoplāˈtō [key], 427?–347 b.c., Greek philosopher. Plato's teachings have been among the most influential in the history of Western civilization.
Many of the late dialogues…
ARE ALLOYS STRONGER THAN PURE METALS? DO ALLOYS MELT EASILY? WHO FIRST USED ALLOYS? SOLDERFIND OUT MOREAn alloy is a mixture of metals, or of metals and other substances. Mixing metals and other…
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A. Nimbus weather satellite
B. Syncom communications satellite
satellite, artificial, object constructed by humans and placed in orbit around the earth or other celestial body…
