Feature Stories
Good vibes: Coupling electron spin states and carbon nanotube vibrations
(Phys.org) -- An electron’s spin is separate from its motion, and is suitable for use in both highly-precise magnetic sensing as well as a qubit in quantum computing. Recently, scientists at the University ...
18 hours ago |
4.6 / 5 (5) |
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Dopant gives graphene solar cells highest efficiency yet
(Phys.org) -- By taking advantage of graphene’s favorable electrical and optical properties, and then adding an organic dopant, researchers have achieved the highest power conversion efficiency yet for ...
May 21, 2012 |
5 / 5 (10) |
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Friendly Fungi: Elucidating the fungal biosynthesis of stipitatic acid
(Phys.org) -- In a tale worthy of Sherlock Holmes, scientists in the School of Chemistry at the University of Bristol, UK have solved a biochemical mystery that had previously proven elusive for 70 years: ...
May 18, 2012 |
5 / 5 (2) |
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Researchers fold origami with light
(Phys.org) -- Replacing the need for nimble fingers, researchers have demonstrated how to make origami using light of a specific wavelength. They call the new folding technique photo-origami, and it could ...
May 10, 2012 |
4.3 / 5 (6) |
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Two stopped light pulses interact with each other
(Phys.org) -- For the first time, physicists have experimentally demonstrated the interaction of two motionless light pulses. Because the stopped light pulses have a long interaction time, it increases the ...
May 08, 2012 |
4.1 / 5 (16) |
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Statistical analysis could predict bankrupt stocks
(Phys.org) -- During the 20-year period from 1989 to 2008, 21% of of all stocks listed in US stock markets became bankrupt. Since bankruptcies affect many investors and have played a large role in the recent ...
Other Sciences / Economics & Business
May 03, 2012 |
3.3 / 5 (7) |
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The shape of things, illuminated: Metamaterials, surface topology and light-matter interactions
(Phys.org) -- Finding new connections between different disciplines leads to new – and sometimes useful – ideas. That’s exactly what happened when scientists in the Department of Physics, Queens College, ...
Apr 28, 2012 |
4 / 5 (8) |
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Does the quantum wave function represent reality?
(Phys.org) -- At the heart of quantum mechanics lies the wave function, a probability function used by physicists to understand the nanoscale world. Using the wave function, physicists can calculate a system's ...
Apr 25, 2012 |
4.7 / 5 (38) |
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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 |
4.8 / 5 (14) |
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Adam's rib, revisited: Evolutionary divergence of mammalian sex chromosomes
(Phys.org) -- Males and females... Mars and Venus... XY and XX chromosomes -- all are common memes. At the same time, the evolution of therian (placental and marsupial) sex chromosomes is less widely understood. ...
Apr 18, 2012 |
4 / 5 (14) |
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Retroreflector transmits light with negligible power consumption
(Phys.org) -- In free-space optical communications (FSO), data is wirelessly transmitted by light propagating through open space. Among their applications, FSO systems are used for communications between spacecraft ...
Apr 17, 2012 |
3.3 / 5 (6) |
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Trade-off coding for quantum communication provides more benefits than previously thought
(Phys.org) -- In optical communication systems, the overall performance depends on the strategy used to transmit photons from one location to another. In previous attempts to optimize this performance, scientists ...
Apr 16, 2012 |
4.4 / 5 (9) |
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143 is largest number yet to be factored by a quantum algorithm
(Phys.org) -- While factoring an integer is a simple problem when the integer is small, the complexity of factorization greatly increases as the integer increases. When the integer grows to more than 100,000 ...
Apr 11, 2012 |
4.7 / 5 (19) |
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Particles magnetically 'click' to form superstructures
(Phys.org) -- Geomag, the popular children's toy, contains small metal spheres that can be magnetically connected with a click to build a variety of towers, bridges, and sculptures. In a new study, scientists ...
Apr 10, 2012 |
4.9 / 5 (8) |
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Lenses can bend light and sound in almost any direction
(PhysOrg.com) -- When an optical fiber is bent by 90° or more, the light begins to leak away, posing a problem for fiber optics communications. But by using special lenses that can bend light by not only ...
Apr 02, 2012 |
4.2 / 5 (12) |
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