News tagged with transport
Is California preparing for climate change? Results from new climate adaptation survey
A majority of California's coastal planners and resource managers now view the threats from climate change as sufficiently likely that practical steps on the ground need to be taken to protect against growing threats, according ...
May 29, 2012 |
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Scientists hone in on size and environmental influence of the quantum dots used in hybrid solar cells
(Phys.org) -- Sometimes to answer big questions, you need to start small-very small. Scientists from Pacific Northwest National Laboratory's Chemical Imaging Initiative did just that when they analyzed cadmium ...
Nanotechnology / Bio & Medicine
May 31, 2012 |
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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
Apr 20, 2012 |
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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 ...
Nov 01, 2011 |
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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 ...
Sep 07, 2011 |
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SpaceX capsule completes first tests before ISS docking
The Dragon space capsule, which has launched a new era of commercial spaceflight, completed its first tests before its scheduled docking at the International Space Station, NASA said Wednesday.
Space & Earth / Space Exploration
May 23, 2012 |
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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
Oct 26, 2010 |
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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 ...
Apr 25, 2012 |
4.7 / 5 (3) |
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Time, place and how wood is used are factors in carbon emissions from deforestation
A new study from the University of California, Davis, provides a deeper understanding of the complex global impacts of deforestation on greenhouse gas emissions.
May 13, 2012 |
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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.
Jan 23, 2012 |
4.7 / 5 (15) |
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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
Mar 20, 2012 |
5 / 5 (4) |
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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.
Dec 28, 2011 |
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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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US energy use chart shows we waste more than half of our energy
(PhysOrg.com) -- This flow chart of the estimated US energy use in 2009, assembled by the Lawrence Livermore National Laboratory (LLNL), paints a pretty sobering picture of our energy situation. To begin with, ...
Technology / Energy & Green Tech
Apr 09, 2011 |
3.5 / 5 (27) |
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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 |
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