News tagged with electrical energy

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Improving energy conversion processes

(Phys.org) —Renewable energy sources such as wind-powered generators can be more reliable and efficient by better controlling the process of getting electricity onto the power grid, according to a United ...

Dec 03, 2013
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Will electricity save the car?

Cars defined the 20th century … [They] shaped the wars that were fought, the way cities developed and how people and goods were moved around … [As] we look to alternative technologies to fuel more than ...

Nov 29, 2013
4.4 / 5 (7) 15

Electricity generated from gravity

Mexican entrepreneurs developed a system capable of using the vehicular flow to generate electric energy. This development has the potentiality to produce sufficient electricity to power up a household through ...

Nov 29, 2013
3.7 / 5 (23) 15

Optical materials: Solar cells step up

The Sun is our most promising source of clean and renewable energy. The energy that reaches the Earth from the Sun in an hour is almost equivalent to that consumed by humans over a year. Solar cells can tap ...

Nov 20, 2013
3.3 / 5 (3) 0

Novel LEDs pave the way to cheaper displays

Researchers from the universities of Bonn and Regensburg have developed a novel type of organic light-emitting diode (OLED). These lights are suitable for the design of particularly energy-efficient cheap ...

Nov 08, 2013
5 / 5 (14) 2 | with audio podcast