News tagged with electricity

Related topics: energy · solar energy · power · megawatts · renewable energy

Why strength depends on more than muscle

A recent study from the University of Nebraska-Lincoln has given new meaning to the concept of brain power by suggesting that physical strength might stem as much from exercising the nervous system as the muscles it controls.

Jul 10, 2017
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Motivation through punishment

The goal of punishment usually is to stop undesirable behaviour. But in fact, punishment may also have a facilitative to motivating effect, as researchers at the Institute of Psychology of the University of Würzburg have ...

Jul 06, 2017
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Concentration spans drop when online ads pop up

Two Polish researchers have shown that measurements of the brain's electrical activity can be used to test the influence of intrusive online advertisements on internet users' concentration and emotions. The exploratory study ...

Jun 12, 2017
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Electricity

Electricity (from the New Latin ēlectricus, "amber-like"[a]) is a general term that encompasses a variety of phenomena resulting from the presence and flow of electric charge. These include many easily recognizable phenomena, such as lightning and static electricity, but in addition, less familiar concepts, such as the electromagnetic field and electromagnetic induction.

In general usage, the word 'electricity' is adequate to refer to a number of physical effects. However, in scientific usage, the term is vague, and these related, but distinct, concepts are better identified by more precise terms:

Electrical phenomena have been studied since antiquity, though advances in the science were not made until the seventeenth and eighteenth centuries. Practical applications for electricity however remained few, and it would not be until the late nineteenth century that engineers were able to put it to industrial and residential use. The rapid expansion in electrical technology at this time transformed industry and society. Electricity's extraordinary versatility as a source of energy means it can be put to an almost limitless set of applications which include transport, heating, lighting, communications, and computation. The backbone of modern industrial society is, and for the foreseeable future can be expected to remain, the use of electrical power.

This text uses material from Wikipedia, licensed under CC BY-SA

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