News tagged with energy

The fuel cell for home

It converts chemical energy directly into electrical energy. Still, there hadn't been a market breakthrough for the fuel cell. The systems were too complex. Now, Fraunhofer and Vaillant have developed a simple ...

Jun 02, 2014 4.7 / 5 (20) 7

Wind turbine payback

US researchers have carried out an environmental lifecycle assessment of 2-megawatt wind turbines mooted for a large wind farm in the US Pacific Northwest. Writing in the International Journal of Sustainable Manufacturing, they c ...

Jun 16, 2014 4.5 / 5 (12) 1

Laser physics upside down

At the Vienna University of Technology a system of coupled lasers has been created which exhibits truly paradoxical behaviour: An increase in energy supply switches the lasers off, reducing the energy can ...

Jul 15, 2014 4.8 / 5 (4) 1