First photo of shadow of single atom
In an international scientific breakthrough, a Griffith University research team has been able to photograph the shadow of a single atom for the first time.
Jul 03, 2012
4.9 / 5 (69)
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Jul 03, 2012
4.9 / 5 (69)
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Quantum dots with built-in charge boost solar cell efficiency by 50%
(PhysOrg.com) -- For the past few years, researchers have been using quantum dots to increase the light absorption and overall efficiency of solar cells. Now, researchers have taken a step further, demonstrating ...
May 13, 2011
4.9 / 5 (21)
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Acid oceans: the 'evil twin' of climate change
(AP) -- Far from Copenhagen's turbulent climate talks, the sea lions, harbor seals and sea otters reposing along the shoreline and kelp forests of this protected marine area stand to gain from any global ...
Dec 18, 2009
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Water waves exhibit negative gravity near a periodic array of buoys
(PhysOrg.com) -- Ocean waves can be incredibly strong and very difficult to block completely. When a wave moving across the ocean interacts with a buoy, the wave can be slightly dampened, but will still pass ...
May 09, 2011
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Nanowire solar cells raise efficiency limit
Scientists from the Nano-Science Center at the Niels Bohr Institut, Denmark and the Ecole Polytechnique Fédérale de Lausanne, Switzerland, have shown that a single nanowire can concentrate the sunlight ...
Mar 24, 2013
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New PV cell generates electricity from IR and UV light
(PhysOrg.com) -- A prototype of a new type of photovoltaic (PV) cell that generates electricity from visible, infrared and ultraviolet light has been demonstrated by a group of Japanese scientists. It could ...
Mar 24, 2010
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Physicists demonstrate quantum plasmons in atomic-scale nanoparticles
Addressing a half-century-old question, engineers at Stanford have conclusively determined how collective electron oscillations, called plasmons, behave in individual metal particles as small as just a few nanometers in diameter. ...
Mar 21, 2012
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Self-cleaning, low-reflectivity treatment boosts efficiency for photovoltaic cells
Using two different types of chemical etching to create features at both the micron and nanometer size scales, researchers at the Georgia Institute of Technology have developed a surface treatment that boosts ...
Mar 24, 2009
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Astronomers find pristine clouds of primordial gas from the early Universe
(PhysOrg.com) -- For the first time, astronomers have found pristine clouds of the primordial gas that formed in the first few minutes after the Big Bang. The composition of the gas matches theoretical predictions, ...
Nov 10, 2011
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IBM breakthrough captures high speed measurements of individual atoms
(PhysOrg.com) -- Last week IBM researchers published a breakthrough technique in the peer-reviewed journal Science that measures how long a single atom can hold information, and giving scientists the abilit ...
Sep 27, 2010
4.9 / 5 (14)
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Major hurdle cleared for organic solar cells
Solar energy is an environmentally-friendly way of producing electricity and is considered to be one of the most appealing options for the future.
Aug 17, 2010
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A new twist for nanopillar light collectors
Sunlight represents the cleanest, greenest and far and away most abundant of all energy sources, and yet its potential remains woefully under-utilized. High costs have been a major deterrant to the large-scale ...
Nov 16, 2010
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Fujifilm will introduce 1TB optical disc in 2015
(Phys.org)—Fujifilm is working on a new recording method for optical discs. It has developed the new method through the use of two-photon absorption in order to generate heat, and the report in TechOn! no ...
Nov 18, 2012
5 / 5 (13)
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Solving nearly century-old problem: Using graphene, professor finds out what causes low-frequency electronic 1/f noise
(Phys.org) —A University of California, Riverside Bourns College of Engineering professor and a team of researchers published a paper today that show how they solved an almost century-old problem that could ...
Mar 07, 2013
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Study resolves century-long debate over how to describe electromagnetic momentum density in matter
(PhysOrg.com) -- Researchers from the NIST Center for Nanoscale Science and Technology and the University of British Columbia have shown that the interaction between a light pulse and a light-absorbing object, including the ...
Dec 29, 2011
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