News tagged with electrical power

Wind power blows into Africa

Giant turbines churning in the wind are a rare sight in Africa—but that will not be the case for long. Until now the meagre amounts of investment in African wind energy have predominantly come from governments ...

May 26, 2013
3.4 / 5 (5) 6

Green conversion of heat to electricity

Soon, it will be possible to produce electricity from heat over 30 degrees emitted from a waste incinerator, refinery, or data processor. The start-up Osmoblue has just confirmed the feasibility of this new ...

May 21, 2013
4.1 / 5 (20) 8 | with audio podcast

Entrepreneur giving shuttle truss new uses

(Phys.org) —A truss design devised to help workers process space shuttles continues to find new uses as a space shuttle engineer-turned-entrepreneur adapts it to everything from a solar-powered electric ...

May 15, 2013
5 / 5 (1) 0

Power exchange to become more economical

Siemens is facilitating the efficient flow of energy between the power network of an electric railway system and the public power grid. The company is delivering 11 gateway power converters to Sweden, Austria ...

May 13, 2013
4 / 5 (1) 0

Review: A solar home isn't for everyone

As someone who considers himself an environmentalist, I'd love to get a solar array for my home. But I'm finding that it may not make a lot of sense - at least right now. My wife and I drive fairly fuel-efficient cars. Our ...

Apr 28, 2013
3 / 5 (10) 1