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News tagged with transport

Quantum dot LEDs get brighter, more efficient

(Phys.org) -- While quantum dot-based light-emitting diodes (QLEDs) are not made of organic materials, they share many of the same advantages as organic LEDs (OLEDs). For instance, both QLEDs and OLEDs outshine ...

Nanotechnology / Nanomaterials

created Apr 20, 2012 | popularity 4.8 / 5 (14) | comments 11 | with audio podcast feature

Researchers discover promising hydrogen storage material

(PhysOrg.com) -- If hydrogen is to ever to serve as an onboard energy carrier for the transportation industry, a material will be needed that can store large amounts of hydrogen at ambient temperature and ...

Physics / Condensed Matter

created Nov 01, 2011 | popularity 4.4 / 5 (14) | comments 22 | with audio podcast feature

Study shows that vehicle-to-vehicle navigation systems really do work

(PhysOrg.com) -- Traffic congestion is not only annoying, it’s expensive. In 2005, traffic congestion cost an estimated $78.2 billion in 437 urban areas in the US, according to the Texas Transportation ...

Technology / Engineering

created Sep 07, 2011 | popularity 5 / 5 (10) | comments 15 | with audio podcast feature

Toward a better understanding of bilayer graphene

(PhysOrg.com) -- "Graphene is a very exciting material with a number of interesting possibilities, including for use in electronic devices," Pablo Jarillo-Herrero tells PhysOrg.com. "However, all graphene system ...

Nanotechnology / Nanomaterials

created Oct 26, 2010 | popularity 4.6 / 5 (7) | comments 1 | with audio podcast feature

Physicists show standard 'quasiparticle' theory breaks down at 'quantum critical point'

A new study this week finds that "quantum critical points" in exotic electronic materials can act much like polarizing "hot button issues" in an election. Reporting in Nature, researchers from Rice Univer ...

Physics / General Physics

created Apr 25, 2012 | popularity 4.7 / 5 (3) | comments 6 | with audio podcast

Researchers show the way forward for improving organic and molecular electronic devices

Future prospects for superior new organic electronic devices are brighter now thanks to a new study by researchers with the DOE's Lawrence Berkeley National Laboratory (Berkeley Lab). Working at the Lab's ...

Nanotechnology / Nanomaterials

created Mar 20, 2012 | popularity 5 / 5 (4) | comments 1 | with audio podcast

A new class of electron interactions in quantum systems

Physicists at the University of New South Wales have observed a new kind of interaction that can arise between electrons in a single-atom silicon transistor.

Physics / Quantum Physics

created Jan 23, 2012 | popularity 4.7 / 5 (15) | comments 0 | with audio podcast

Japan scientists hope slime holds intelligence key

A brainless, primeval organism able to navigate a maze might help Japanese scientists devise the ideal transport network design. Not bad for a mono-cellular being that lives on rotting leaves.

Biology / Cell & Microbiology

created Dec 28, 2011 | popularity 5 / 5 (14) | comments 5

E. coli bacteria engineered to eat switchgrass and make transportation fuels

A milestone has been reached on the road to developing advanced biofuels that can replace gasoline, diesel and jet fuels with a domestically-produced clean, green, renewable alternative.

Biology / Biotechnology

created Nov 29, 2011 | popularity 5 / 5 (10) | comments 4 | with audio podcast

Zinc oxide microwires improve the performance of light-emitting diodes

Researchers have used zinc oxide microwires to significantly improve the efficiency at which gallium nitride light-emitting diodes (LED) convert electricity to ultraviolet light. The devices are believed to ...

Nanotechnology / Nanophysics

created Oct 31, 2011 | popularity 4.6 / 5 (11) | comments 0 | with audio podcast

ECOtality Inc. and car2go team up to bring charging infrastructure to San Diego

ECOtality Inc., a company that works on clean electric transportation and storage technologies, has announced the formation of a partnership with car2go, a car sharing service that is a subsidiary of Daimler ...

Technology / Energy & Green Tech

created Jul 14, 2011 | popularity 5 / 5 (4) | comments 0 | with audio podcast report

Researchers observe structural transformations in single nanocrystals

While a movie about giant robots that undergo structural transformations is breaking box office records this summer, a scientific study about structural transformations within single nanocrystals is breaking ...

Nanotechnology / Nanophysics

created Jul 08, 2011 | popularity 4.6 / 5 (7) | comments 3 | with audio podcast

$25,000, 350-mile-per-charge electric car could be reality by 2017, DOE says

In an event flanked with all the electric cars that have recently come to market, and a handful of those that are poised for sale later this year, U.S. Energy Secretary Steven Chu and L.A. Mayor Antonio Villaraigosa flipped ...

Technology / Energy & Green Tech

created May 25, 2011 | popularity 5 / 5 (14) | comments 40

Pairing quantum dots with fullerenes for nanoscale photovoltaics

(PhysOrg.com) -- In a step toward engineering ever-smaller electronic devices, scientists at the U.S. Department of Energy's (DOE) Brookhaven National Laboratory have assembled nanoscale pairings of particles ...

Nanotechnology / Nanophysics

created May 10, 2011 | popularity 4.6 / 5 (5) | comments 3 | with audio podcast

3-D nanocone solar cell technology cranks up efficiency

(PhysOrg.com) -- With the creation of a 3-D nanocone-based solar cell platform, a team led by Oak Ridge National Laboratory's Jun Xu has boosted the light-to-power conversion efficiency of photovoltaics by ...

Nanotechnology / Nanophysics

created Apr 29, 2011 | popularity 4.7 / 5 (13) | comments 7 | with audio podcast