News tagged with range
Scientists design solar cells that exceed the conventional light-trapping limit
(PhysOrg.com) -- The best performing solar cells are those that are thick enough to absorb light from the entire solar spectrum, while the cheapest solar cells are thin ones, since they require less, and potentially ...
Jan 20, 2012 |
4.7 / 5 (37) |
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Novel holographic antenna designs and uses
Holographic antennas first studied around 40 years ago are again a hot topic given the potential of holographic images for a variety of applications. EU researchers developed novel prototype devices based ...
May 30, 2012 |
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Wireless power could revolutionize highway transportation, researchers say
A Stanford University research team has designed a high-efficiency charging system that uses magnetic fields to wirelessly transmit large electric currents between metal coils placed several feet apart. The ...
Technology / Energy & Green Tech
Feb 01, 2012 |
4.3 / 5 (27) |
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Exotic metamaterials will change optics
Duke University engineers believe that continued advances in creating ever-more exotic and sophisticated man-made materials will greatly improve their ability to control light at will.
Mar 18, 2012 |
4.7 / 5 (16) |
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Infrared Nanotube Films Offer Advantages for Solar Cells and More
(PhysOrg.com) -- Researchers have already known that carbon nanotube thin films have mechanical and conductive advantages that could make them useful as electrodes in solar cells, solid state lighting, and ...
Mar 11, 2009 |
4.5 / 5 (11) |
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Will carbon nanotubes replace indium tin oxide?
(PhysOrg.com) -- Up until now, George Grüner tells PhysOrg.com, most of the studies regarding the properties - and uses - of carbon nanotubes have been restricted to the visible spectral range. “We, however, were interested in the ...
Nanotechnology / Nanomaterials
Mar 09, 2009 |
4.9 / 5 (9) |
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New map reveals giant fjords beneath East Antarctic ice sheet
Scientists from the U.S., U.K. and Australia have used ice-penetrating radar to create the first high- resolution topographic map of one of the last uncharted regions of Earth, the Aurora Subglacial Basin, ...
Space & Earth / Earth Sciences
Jun 01, 2011 |
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Quantum dots as midinfrared emitters
(PhysOrg.com) -- “People are interested in the mid-infrared,” Dan Wasserman tells PhysOrg.com. Infrared light has a wavelength longer than visible light, and many molecules have numerous very strong optical resonances in the ...
Feb 23, 2009 |
4.1 / 5 (10) |
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Scientists invent long-lasting, near infrared-emitting material
Materials that emit visible light after being exposed to sunlight are commonplace and can be found in everything from emergency signage to glow-in-the-dark stickers. But until now, scientists have had little ...
Nanotechnology / Nanomaterials
Nov 20, 2011 |
4.5 / 5 (26) |
10
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Measurement of 'hot' electrons could have solar energy payoff
(PhysOrg.com) -- Basic scientific curiosity paid off in unexpected ways when Rice University researchers investigating the fundamental physics of nanomaterials discovered a new technology that could dramatically ...
May 05, 2011 |
5 / 5 (6) |
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Researchers develop first silicon wafer-scale 110 GHz phased array transmitter
(PhysOrg.com) -- TowerJazz, the global specialty foundry leader, and The University of California, San Diego, provider of a leading program in microwave, millimeter-wave and mixed-signal RFICs, today announced ...
Apr 06, 2012 |
5 / 5 (4) |
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3-D battery structure shows new twist in battery design
(PhysOrg.com) -- Battery life and driving range are two sticky phrases in discussions about why EVs have yet to hit mainstream use. Drivers still feel skittish about the idea of setting out on longer trips ...
Technology / Energy & Green Tech
Oct 09, 2011 |
4.8 / 5 (8) |
6
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Karlsruhe invisibility cloak: Disappearing visibly
"Seeing something invisible with your own eyes is an exciting experience," say Joachim Fischer and Tolga Ergin. For about one year, both physicists and members of the team of Professor Martin Wegener at KIT's ...
May 18, 2011 |
5 / 5 (5) |
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Researchers realize high-power, narrowband terahertz source at room temperature
Researchers at Northwestern University have developed a simpler way to generate single-chip terahertz radiation, a discovery that could soon allow for more rapid security screening, border protection, high sensitivity biological/chemical ...
Sep 30, 2011 |
4.8 / 5 (6) |
3
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Chemists mimic nature to design better medical tests
Over their 3.8 billion years of evolution, living organisms have developed countless strategies for monitoring their surroundings. Chemists at UC Santa Barbara and University of Rome Tor Vergata have adapted ...
Chemistry / Analytical Chemistry
Feb 14, 2012 |
5 / 5 (1) |
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