News tagged with electrical transport
Making liquid crystals stand tall
Most liquid-crystalline displays contain rod-like molecules that quickly switch from one orientation to another when subjected to electric fields. This movement creates a shutter effect that turns light on ...
Nov 21, 2011 |
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Americans using more fossil fuels
American energy use went back up in 2010 compared to 2009, when consumption was at a 12-year low. The United States used more fossil fuels in 2010 than in 2009, while renewable electricity remained approximately ...
Technology / Energy & Green Tech
Nov 09, 2011 |
5 / 5 (6) |
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Scientists carve nanowires out of ultrananocrystalline diamond thin films
A team of scientists working at Argonne National Laboratory's (ANL) Center for Nanoscale Materials has successfully carved ultrananocrystalline diamond (UNCD) thin films into nanowires, boosting the material's functionality ...
Nov 04, 2011 |
4.8 / 5 (4) |
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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 ...
Oct 31, 2011 |
4.6 / 5 (11) |
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Visions of a 'car-free future'
City centers could become virtually car-free over the next 20 years under new plans proposed by University of Leeds transport researchers.
Technology / Energy & Green Tech
Oct 20, 2011 |
3.8 / 5 (5) |
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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
Jul 14, 2011 |
5 / 5 (4) |
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UIC engineer tests improved 'icephobic' coatings
(PhysOrg.com) -- While scientists and engineers have developed several products that repel water and, to a lesser degree, snow and ice, considerable room remains for something "new and improved."
Nanotechnology / Nanomaterials
Jun 02, 2011 |
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$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
May 25, 2011 |
5 / 5 (14) |
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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 ...
Apr 29, 2011 |
4.7 / 5 (12) |
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Blocking carbon dioxide fixation in bacteria increases biofuel production
Reducing the ability of certain bacteria to fix carbon dioxide can greatly increase their production of hydrogen gas that can be used as a biofuel. Researchers from the University of Washington, Seattle, report their findings ...
Mar 30, 2011 |
4 / 5 (1) |
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Advanced carbon aerogels for energy applications
(PhysOrg.com) -- Because of their unique structure, carbon aerogels may be used for hydrogen and electrical energy storage in the future.
Mar 15, 2011 |
4.8 / 5 (6) |
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Electric vehicle capabilities way ahead of policy, infrastructure needs
The technologies needed to begin seriously weaning the U.S. transportation system away from petroleum and toward alternatives such as hybrid and pure electric vehicles have made great progress, but harnessing ...
Technology / Energy & Green Tech
Jan 24, 2011 |
5 / 5 (9) |
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High magnetic fields coax new discoveries from topological insulators
(PhysOrg.com) -- Using one of the most powerful magnets in the world, a small group of researchers has successfully isolated signs of electrical current flowing along the surface of a topological insulator, ...
Nov 23, 2010 |
5 / 5 (11) |
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Student builds solar motorcycle, launches club to push more electric vehicle breakthroughs
(PhysOrg.com) -- A Purdue University student who created a solar-powered motorcycle is launching a club to help likeminded students expand environmentally friendly transportation options.
Technology / Energy & Green Tech
Oct 01, 2010 |
4.8 / 5 (5) |
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Researchers print field-effect transistors with nano-infused ink
(PhysOrg.com) -- Rice University researchers have discovered thin films of nanotubes created with ink-jet printers offer a new way to make field-effect transistors (FET), the basic element in integrated circuits.
Nanotechnology / Nanomaterials
May 25, 2010 |
4 / 5 (6) |
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