News tagged with electrical devices

Electrified graphene a shutter for light

(Phys.org) -- An applied electric voltage can prompt a centimeter-square slice of graphene to change and control the transmission of electromagnetic radiation with wavelengths from the terahertz to the midinfrared.

Jun 15, 2012
5 / 5 (4) 1 | with audio podcast

Ferroelectric oxides do the twist

(Phys.org) -- Some materials, by their nature, do what we want them to do -- notably, the ubiquitous, semiconducting silicon found in almost every electronic device. But sometimes, naturally occurring materials ...

Apr 12, 2012
4 / 5 (1) 0 | with audio podcast

Scientists make nontoxic, bendable nanosheets

(Phys.org) -- Cornell materials scientists have developed an inexpensive, environmentally friendly way of synthesizing oxide crystal sheets, just nanometers thick, which have useful properties for electronics ...

Apr 11, 2012
4.6 / 5 (8) 0 | with audio podcast

Company develops conductive yarn for soldier uniforms

(PhysOrg.com) -- Modern military uniforms for servicemen from some countries such as those that serve Great Britain have evolved to the point that batteries and cables are needed for electronic devices that are carried; the ...

Apr 03, 2012 weblog
4.7 / 5 (3) 10 | with audio podcast

Electrical circuits talk to single atoms

(PhysOrg.com) -- If a practical quantum computer is ever to be realized, conventional electronic devices will have to interface with the delicate quantum systems such as atoms or ions in traps or wisps of ...

Mar 06, 2012
5 / 5 (4) 2 | with audio podcast

The origin of organic magnets

Electrical engineers are starting to consider materials made from organic molecules -- including those made from carbon atoms -- as an intriguing alternative to the silicon and metals used currently in electronic ...

Mar 02, 2012
4 / 5 (5) 0