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29 Topic Pages Found in Technology & Engineering and starting with the letter E
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Earhart, Amelia (1897 - 1937)

A pioneering aviator, Amelia Earhart became a symbol of both women’s growing independence and the rising prominence and importance of the airplane in


an older instrumentation system for indirectly determining ocean floor depth. Echo sounding is based on the principle that water is an excellent


E-commerce is the buying and selling of products through electronic services, especially over the Internet. Originally, “electronic commerce” was used

Eiffel, Alexandre Gustave (1832 - 1923)

French engineer who constructed the Eiffel Tower for the 1889 Paris Exhibition. The tower, made of iron, is 320 m/1,050 ft high and stands in the

Open Eiffel Tower (Paris, France)
Eiffel Tower (Paris, France)

Originally built to impress visitors to the 1889 Universal Exhibition, the Eiffel Tower (Tour Eiffel) was meant to be a temporary addition to

Eisenman, Peter (1932 - )

US architect. He came to prominence as a member of the New York Five group, along with Richard Meier and Michael Graves . His work draws on

Open Electricity

All phenomena caused by electric charge . There are two types of electricity: static and current. Electric charge is caused by an excess or deficit of


( ĭlĕk´´trōkärdēŏg'rəfē ), science of recording and interpreting the electrical activity that precedes and is a measure of the action of heart


( əlĕk´´trōĕnsĕf´´əlŏg'rafē ), science of recording and analyzing the electrical activity of the brain . Electrodes, placed on or just under the

Open electromagnetic induction
electromagnetic induction

In electronics, the production of an electromotive force (emf) in a circuit by a change of magnetic flux through the circuit or by relative motion of