Solar cells can only use photons with energies above a specific threshold to generate electricity. A German-Australian research collaboration has now combined solar cells with an organic material which can 'add up' low-energy photons to yield higher-energy light, which can then be harvested by the solar cell.
Nov 27th, 2014
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Inspired by the wing structure of a small fly, researchers developed nano-patterned surfaces that resist bacterial adhesion while supporting the growth of human cells.
Nov 27th, 2014
Read moreIn an effort to overcome the limitations of traditional restoration techniques, researchers have developed promising nanomaterials which are expected to hit the market soon.
Nov 27th, 2014
Read moreNew catalysts have potential to greatly reduce processing costs in future fuels like hydrogen. The catalysts are composed of a unique structure of single gold atoms bound by oxygen to sodium or potassium atoms, supported on non-reactive silica materials. They demonstrate comparable activity and stability with catalysts comprising precious metal nanoparticles on rare earth and other reducible oxide supports when used in producing highly purified hydrogen.
Nov 27th, 2014
Read moreResearchers have developed a solution to increase the speed interaction between processor and memory in computers and other electronic devices.
Nov 27th, 2014
Read moreBy producing this material, a common MRI medical substance with the ability of exterior cellular imaging has been converted into an interior cellular nano-contrast.
Nov 27th, 2014
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A new ultrathin multilayered material can cool buildings without air conditioning by radiating warmth from inside the buildings into space while also reflecting sunlight to reduce incoming heat.
Nov 26th, 2014
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For several years, it has been known that superfluid helium housed in reservoirs located next to each other acts collectively, even when the channels connecting the reservoirs are too narrow and too long to allow for substantial flow. A new theoretical model reveals that the phenomenon of mysterious communication 'at a distance' between fluid reservoirs is much more common than previously thought.
Nov 26th, 2014
Read moreThe Bulgarian Academy of Sciences has provided a series of short lectures on the Wigner formulation of quantum mechanics and its related Monte Carlo method based on signed particles.
Nov 26th, 2014
Read moreBy solving a six-dimensional equation that had previously stymied researchers, physicists have pinpointed the characteristics of a laser pulse that yields electron behavior they can predict and essentially control.
Nov 26th, 2014
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Engineering researchers have developed a chip on which both sound wave and light wave are generated and confined together so that the sound can very efficiently control the light.
Nov 26th, 2014
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In the race to find materials of ever increasing thinness, surface area and conductivity to make better performing battery electrodes, a lump of clay might have just taken the lead.
Nov 26th, 2014
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Animals looking for food or light waves moving through turbid media - astonishing similarities have now been found between completely different phenomena.
Nov 26th, 2014
Read moreThis discovery could revolutionise fuel cells and other hydrogen-based technologies as they require a barrier that only allow protons to pass through.
Nov 26th, 2014
Read moreA new study shows that semiconducting polymers placed on a layer of graphene transports electrical charge more efficiently than when placed on a substrate of silicon.
Nov 26th, 2014
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Physicists verify nonlinear increase with growing molecular size.
Nov 26th, 2014
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