News tagged with energy devices

In nanorod crystal growth, nanoparticles seen as artificial atoms

In the growth of crystals, do nanoparticles act as "artificial atoms" forming molecular-type building blocks that can assemble into complex structures? This is the contention of a major but controversial theory ...

Nanotechnology / Nanophysics

created May 24, 2012 | popularity 4.8 / 5 (6) | comments 0 | with audio podcast

Researchers generate electricity from viruses

Imagine charging your phone as you walk, thanks to a paper-thin generator embedded in the sole of your shoe. This futuristic scenario is now a little closer to reality. Scientists from the U.S. Department of Energy's Lawrence ...

Nanotechnology / Bio & Medicine

created May 13, 2012 | popularity 5 / 5 (11) | comments 1 | with audio podcast

New energy storage device could recharge electric vehicles in minutes

(PhysOrg.com) -- It has all the appearances of a breakthrough in battery technology, except that it’s not a battery. Researchers at Nanotek Instruments, Inc., and its subsidiary Angstron Materials, Inc., ...

Nanotechnology / Nanophysics

created Aug 19, 2011 | popularity 4.8 / 5 (53) | comments 43 | with audio podcast feature

Energy storage device fabricated on a nanowire array

In a vivid demonstration of the progress being made in miniaturizing energy storage devices, a team of engineers from Rice University in Houston, Texas, has fabricated an energy storage device where all essential ...

Nanotechnology / Nanophysics

created Aug 01, 2011 | popularity 4.4 / 5 (14) | comments 0 | with audio podcast feature

Several antennas in one: A major innovation for mobile communications

(Phys.org) -- Scientists at EPFL have developed a single antenna that is capable of transmitting the same data as a two-antenna system. This achievement will be more than useful for future communication systems.

Technology / Engineering

created May 11, 2012 | popularity 5 / 5 (6) | comments 0 | with audio podcast

Near-threshold computing could enable up to 100x reduction in power consumption

(PhysOrg.com) -- While electronic devices have greatly improved in many regards, such as in storage capacity, graphics, and overall performance, etc., they still have a weight hanging around their neck: they’re ...

Technology / Engineering

created Feb 17, 2010 | popularity 4.2 / 5 (37) | comments 6 | with audio podcast feature

Can graphene nanoribbons replace silicon?

(PhysOrg.com) -- "Graphene has been the subject of intense focus and research for a few years now," Philip Kim tells PhysOrg.com. "There are researchers that feel that it is possible that graphene could replac ...

Nanotechnology / Nanophysics

created Feb 18, 2010 | popularity 4.2 / 5 (29) | comments 1 | with audio podcast feature

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

Scientists image the charge distribution within a single molecule for the first time

(PhysOrg.com) -- IBM scientists were able to measure for the first time how charge is distributed within a single molecule. This achievement will enable fundamental scientific insights into single-molecule ...

Nanotechnology / Nanophysics

created Feb 27, 2012 | popularity 4.8 / 5 (15) | comments 1 | 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

Researchers develop graphene supercapacitor holding promise for portable electronics

(PhysOrg.com) -- Electrochemical capacitors (ECs), also known as supercapacitors or ultracapacitors, differ from regular capacitors that you would find in your TV or computer in that they store substantially ...

Nanotechnology / Nanophysics

created Mar 15, 2012 | popularity 5 / 5 (25) | comments 30 | with audio podcast

'Dark plasmons' transmit energy

Microscopic channels of gold nanoparticles have the ability to transmit electromagnetic energy that starts as light and propagates via "dark plasmons," according to researchers at Rice University.

Nanotechnology / Nanophysics

created Feb 09, 2012 | popularity 4.8 / 5 (11) | comments 1 | with audio podcast

Nanocrystal-coated fibers might reduce wasted energy

(Phys.org) -- Researchers are developing a technique that uses nanotechnology to harvest energy from hot pipes or engine components to potentially recover energy wasted in factories, power plants and cars.

Nanotechnology / Nanomaterials

created Apr 17, 2012 | popularity 4.4 / 5 (9) | comments 1 | with audio podcast

Activated graphene makes superior supercapacitors for energy storage

(PhysOrg.com) -- Scientists at the U.S. Department of Energy's Brookhaven National Laboratory have helped to uncover the nanoscale structure of a novel form of carbon, contributing to an explanation of why ...

Nanotechnology / Nanomaterials

created May 12, 2011 | popularity 5 / 5 (14) | comments 8 | with audio podcast

Inkjet printing could change the face of solar energy industry

Inkjet printers, a low-cost technology that in recent decades has revolutionized home and small office printing, may soon offer similar benefits for the future of solar energy.

Chemistry / Materials Science

created Jun 28, 2011 | popularity 4.6 / 5 (21) | comments 12 | with audio podcast