Researchers have developed a new type of small-scale electric power generator able to produce alternating current through the cyclical stretching and releasing of zinc oxide wires encapsulated in a ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. No extant maker's markings. This ...

In the future, Europe is to be dominantly powered by renewable energy. The expansion of wind and solar power capacity and the provision of sufficient power in winter are just two of the challenges ...

We use it every day, but most of us haven't got a clue how electricity makes things work. What's going on in the wires that make motors move, and heaters heat? Whether it's a toaster or an electric ...

An electric current can be induced in in a coil of wire by moving a magnet in and out of the coil. AC generators are used in the generation of electricity and in their simplest form consist of a coil ...

Traditional power stations are increasingly being replaced by wind and solar power plants – but that means the power grid lacks a stable pacemaker. Researchers from ETH Zurich are developing a control ...