News tagged with insulator

PCBs levels down in Norwegian polar bears

It's never been easy to be a polar bear. They may have to go months without eating. Their preferred food, seal, requires enormous luck and patience to catch. Add to that the melting of Arctic sea ice due to climate change, ...

Mar 29, 2012
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Ageing wooden power poles increase risk of fires

Research at RMIT University has proven conclusively that wooden poles used for electricity distribution deteriorate with age and that their electrical performance worsens over time.

Mar 13, 2012
4.5 / 5 (2) 0

A new discovery answers an old question

(PhysOrg.com) -- The transition-metal monoxide FeO is an archetypal example of a Mott insulator—a material that should conduct electricity under conventional band theories but becomes an insulator when ...

Jan 30, 2012
4 / 5 (3) 2 | with audio podcast

Research team creates photoelectrowetting circuit

(PhysOrg.com) -- Working together, Matthieu Gaudet and Steve Arscott from the University of Lille (IEMN lab) in France have built a circuit using a phenomenon known as photoelectrowetting, which allows a switch ...

Jan 20, 2012 report
4.9 / 5 (49) 0 | with audio podcast

World's longest superconductor cable

The "AmpaCity" project has been kicked off: The RWE Group and its partners are just about to replace a 1-kilometre-long high-voltage cable connecting two transformer stations in the Ruhr city of Essen with ...

Jan 19, 2012
4.5 / 5 (8) 9