(Encyclopedia) English units of measurement, principal system of weights and measures used in a few nations, the only major industrial one being the United States. It actually consists of two related…
The 52nd Annual Grammy Awards were presented at Staples Center in Los Angeles on Jan. 31, 2010; the winners are listed below. Album of the Year: Fearless - Taylor…
Henri La Fontaine See also U.S. Supreme Court Justices People in the NewsRecent Obituaries Related Links Supreme Court Facts Milestone Cases in Supreme Court History…
(Encyclopedia) race, one of the group of populations regarded as constituting humanity. The differences that have historically determined the classification into races are predominantly physical…
(Encyclopedia)
CE5
Internal-combustion engines: In the four-stroke reciprocating engine (above), a mixture of fuel and air is taken into the chamber on the down-stroke of the piston, is compressed…
(Encyclopedia)
CE5
Electrical and radio symbols
electricity, class of phenomena arising from the existence of charge. The basic unit of charge is that on the proton or electron—the proton's…
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