News tagged with energy devices

Nanogenerators grow strong enough to power small conventional electronics (w/ Video)

Blinking numbers on a liquid-crystal display (LCD) often indicate that a device's clock needs resetting. But in the laboratory of Zhong Lin Wang at Georgia Tech, the blinking number on a small LCD signals ...

Nanotechnology / Nanophysics

created Nov 08, 2010 | popularity 5 / 5 (18) | comments 5 | with audio podcast

Extraordinary light enhancement technique proposed for nanophotonic devices

(PhysOrg.com) -- In a new study, scientists have shown that simply tailoring the nanoscale geometrical parameters of dielectric structures can result in an increase in the light intensity to unprecedented levels. Theoretically, ...

Nanotechnology / Nanophysics

created Nov 03, 2010 | popularity 4.7 / 5 (13) | comments 0 | with audio podcast feature

Microreactor speeds nanotech particle production by 500 times

Engineers at Oregon State University have discovered a new method to speed the production rate of nanoparticles by 500 times, an advance that could play an important role in making nanotechnology products more commercially ...

Nanotechnology / Nanomaterials

created Nov 01, 2010 | popularity 4.9 / 5 (7) | comments 0 | with audio podcast

European Union aims to increase electronic efficiency and eliminate power consumption

Today, Ecole Polytechnique Federale de Lausanne and IBM announced a major research initiative, with several leading academic and corporate research organizations across Europe, to address the alarming growth of energy consumption ...

Technology / Energy & Green Tech

created Oct 27, 2010 | popularity not rated yet | comments 0

'Spintronics' breakthrough holds promise for next-generation computers

Using powerful lasers, Hui Zhao, assistant professor of physics and astronomy at the University of Kansas, and graduate student Lalani Werake have discovered a new way to recognize currents of spinning electrons ...

Physics / General Physics

created Aug 24, 2010 | popularity 4.9 / 5 (8) | comments 0 | with audio podcast

Study of electron orbits in multilayer graphene finds unexpected energy gaps

Researchers have taken one more step toward understanding the unique and often unexpected properties of graphene, a two-dimensional carbon material that has attracted interest because of its potential applications ...

Nanotechnology / Nanomaterials

created Aug 10, 2010 | popularity 4.7 / 5 (27) | comments 5 | with audio podcast

Researchers use super-high pressures to create super battery

The world's biggest Roman candle has got nothing on this. Using super-high pressures similar to those found deep in the Earth or on a giant planet, Washington State University researchers have created a compact, ...

Chemistry / Materials Science

created Jul 04, 2010 | popularity 4.2 / 5 (42) | comments 37 | with audio podcast

Working toward the next battery breakthrough (w/ Video)

If battery-making is an art, then University at Buffalo scientist Esther Takeuchi is among its most prolific masters, with more than 140 U.S. patents, all in energy storage.

Technology / Energy & Green Tech

created Jun 07, 2010 | popularity 4.2 / 5 (12) | comments 1 | with audio podcast

Looking for critical behavior in graphene

(PhysOrg.com) -- "One of the hopes people have for graphene is in electronic devices. It is seen as a possible replacement for silicon, due to its unique properties," Herb Fertig tells PhysOrg.com. Graphe ...

Nanotechnology / Nanomaterials

created May 18, 2010 | popularity 4.7 / 5 (12) | comments 8 | with audio podcast feature

Nanotube transistor controlled by ATP could improve man-machine communication

Scientists have built a hybrid bionanoelectronic transistor that can be powered by ATP, or adenosine triphosphate, the energy currency in living cells. The researchers, Aleksandr Noy and colleagues from Lawrence Livermore ...

Nanotechnology / Nanophysics

created May 13, 2010 | popularity 4.8 / 5 (17) | comments 3 | with audio podcast weblog

Is There a Micro-Supercapacitor in Your Future? Don't Bet Against It

(PhysOrg.com) -- A Berkeley Lab scientist was a key member of a team that developed a unique new technique for integrating high performance micro-sized supercapacitors into a variety of portable electronic ...

Technology / Semiconductors

created Apr 26, 2010 | popularity 4.8 / 5 (16) | comments 8 | with audio podcast

Researchers use improved nanogenerators to power sensors based on zinc oxide nanowires

By combining a new generation of piezoelectric nanogenerators with two types of nanowire sensors, researchers have created what are believed to be the first self-powered nanometer-scale sensing devices that ...

Nanotechnology / Nanophysics

created Mar 28, 2010 | popularity 4.4 / 5 (5) | comments 0 | with audio podcast

Power Walk This Way: Scientists Develop Device That Harnesses Energy from Everyday Movements

(PhysOrg.com) -- These boots are made for walking... and for powering up your cell phone? It could happen, say a team of Princeton and Caltech scientists. In a recent paper in the journal Nano Letters, they r ...

Nanotechnology / Nanophysics

created Mar 18, 2010 | popularity 4.1 / 5 (8) | comments 3 | with audio podcast

New charging method could greatly reduce battery recharge time

(PhysOrg.com) -- Part of the headache of having to constantly recharge batteries is not just how often they need to be charged, but also the time it takes to charge them. In a new study, researchers have proposed ...

Physics / General Physics

created Mar 11, 2010 | popularity 4.7 / 5 (25) | comments 14 | with audio podcast report

An electrifying discovery: New material to harvest electricity from body movements

Scientists are reporting an advance toward scavenging energy from walking, breathing, and other natural body movements to power electronic devices like cell phones and heart pacemakers. In a study in ACS' ...

Nanotechnology / Nanophysics

created Feb 24, 2010 | popularity 3.9 / 5 (18) | comments 3 | with audio podcast