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electric current
(Encyclopedia)electric current: see electricity. ...spark
(Encyclopedia)spark, in electricity: see arc.dipole
(Encyclopedia)dipole: see pole, in electricity and magnetism. ...graphene
(Encyclopedia)graphene, virtually transparent, highly conductive carbon material in which the atoms are organized into a honeycomblike arrangement and form a thin sheet that is one atom thick. Andre Geim and Konsta...relay
(Encyclopedia)relay, electromechanical switch operated by a flow of electricity in one circuit and controlling the flow of electricity in another circuit. A relay consists basically of an electromagnet with a soft ...Newlands project
(Encyclopedia)Newlands project, on the Carson and Truckee rivers, W Nev.; one of the first projects built by the U.S. Bureau of Reclamation (1903–8). Lahontan Dam was completed in 1915 to produce electricity for ...motion
(Encyclopedia)motion, the change of position of one body with respect to another. The rate of change is the speed of the body. If the direction of motion is also given, then the velocity of the body is determined; ...Equal Employment Opportunity Commission
(Encyclopedia)Equal Employment Opportunity Commission (EEOC), U.S. agency created in 1964 to end discrimination based on race, color, religion, sex, or national origin in employment and to promote programs to make ...Tesla, Nikola
(Encyclopedia)Tesla, Nikola tĕsˈlə [key], 1856–1943, American electrician and inventor, b. Croatia (then an Austrian province). An ethnic Serb, he immigrated to the United States in 1884, worked for a short pe...matter
(Encyclopedia)matter, anything that has mass and occupies space. Matter is sometimes called koinomatter (Gr. koinos=common) to distinguish it from antimatter, or matter composed of antiparticles. The atomic th...Browse by Subject
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