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The Poincaré–Steklov operator is defined to be the operator mapping the time-harmonic (that is, dependent on time as ) tangential electric field on the boundary of a region to the equivalent electric current on its boundary.
Parade of Renault Fluence Z.E. electric cars enabled with battery swapping technology to commemorate the first deliveries to Better Place employees in Israel in January 2012. Better Place and Renault announced the Fluence Z.E. was the first modern electric car with a swappable battery available on the Better Place electric vehicle network [ 14 ...
An outdoor bug zapper. A bug zapper, more formally called an electrical discharge insect control system, electric insect killer or (insect) electrocutor trap, is a device that attracts and kills flying insects that are attracted by light.
The previous work of Laumeister at GE on the experimental Delta electric car that debuted in 1968 helped pave the way for the production of the Elec-Trak. [2] Despite the limited production and availability of the electric tractors, many Elec-Traks are still in use today [ 3 ] and have a cult following among tractor and electric vehicle ...
Together, electronic and electric devices, their development, maintenance, and power supply comprise the subject of electrical engineering. The majority of electric devices in households is stationary and — due to their considerable power consumption — relies on electrical installation , especially electric outlets instead of small electric ...
Schuyler Skaats Wheeler (May 17, 1860 – April 20, 1923) was an American electrical engineer and manufacturer who invented the electric fan, an electric elevator design, and the electric fire engine. He is associated with the early development of the electric motor industry, especially to do with training the blind in this industry for gainful ...
The Electric Egg) was a futuristic prototype concept electric cyclecar designed in 1938, and built in 1942 by industrial designer Paul Arzens (1903-1990). It was acquired by the Musée des Arts et Métiers in Paris in 1993, and is currently at the Cité de l'Automobile in Mulhouse in Alsace .
Each vessel had a pair of electric generators with a combined output of 9.75 kW (13.07 hp) at 65 Volts. Brummer ' s propulsion system gave her a top speed of 14.1 knots (26.1 km/h; 16.2 mph) at 1,658 metric horsepower (1,635 ihp), while Bremse was faster by more than a knot, making 15.2 knots (28.2 km/h; 17.5 mph) from 2,081 PS (2,053 ihp). The ...