News tagged with electrical field

Microtechnology: Miniature magnetic switches

Transistors are commonly used in electronics as switches to turn an electrical current on or off. For applications that require a very large ratio between the on and off current, however, it is necessary to ...

dateApr 14, 2011 in Engineering
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Cable-free charging of electric cars via coils

In the future, motorists will no longer need a cable to recharge the batteries of their electric cars, thanks to a development project for inductive charging, which Siemens presented at Hannover Messe 2011. ...

dateApr 11, 2011 in Engineering
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Smaller and cheaper particle accelerators?

Traditionally, particle accelerators have relied on electric fields generated by radio waves to drive electrons and other particles close to the speed of light. But in radio-frequency machines there is an ...

dateApr 22, 2015 in General Physics
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