News tagged with electrical circuits

How 'transparent' is graphene?

The amazing electrical, optical and strength properties of graphene, a single-atom-thick layer of carbon, have been extensively researched over the last decade. Recently, the material has been studied as ...

Dec 03, 2012
4.8 / 5 (9) 2 | with audio podcast

New circuit breakers prevent electrical fires

A new fire protection circuit breaker from Siemens prevents electrical fires from developing. The device registers dangerous arcing in an electrical installation and breaks the circuit automatically. Arcing ...

Oct 03, 2012
4 / 5 (1) 0

Less wear, longer life for memory storage device

Probe storage devices read and write data by making nanoscale marks on a surface through physical contact. The technology may one day extend the data density limits of conventional magnetic and optical storage, but current ...

Sep 12, 2012
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Heat flow control for future nanoelectronics

Electronic devices and their components are getting smaller and smaller. Through his doctoral research at the Department of Applied Physics in Aalto University, Tomi Ruokola has examined how the heat generated by electronic ...

Aug 29, 2012
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Scientists first to observe plasmons on graphene

With a beam of infrared light, scientists have sent ripples of electrons along the surface of graphene and demonstrated that they can control the length and height of these oscillations, called plasmons, using ...

Jun 20, 2012
4.6 / 5 (10) 5 | with audio podcast