Photos reveal how water droplets placed on a cold surface freeze to a sharp point that sprouts a "forest" of tree-like ice crystals.
General Physics
Oct 5, 2012
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Scientists who study tissue engineering and test new drugs often need to sort, rotate, move, and otherwise manipulate individual cells. They can do this by prodding the cells into place with a mechanical probe or coaxing ...
General Physics
Sep 12, 2012
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Probe storage devices read and write data by making nanoscale marks on a surface through physical contact. The technology may one day extend the data density limits of conventional magnetic and optical storage, but current ...
Nanophysics
Sep 12, 2012
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(Phys.org)—Researchers at Polytechnic Institute of New York University (NYU-Poly) have created an ultra-sensitive biosensor capable of identifying the smallest single virus particles in solution, an advance that may revolutionize ...
General Physics
Aug 28, 2012
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Mathematicians at the Institute for Advanced Study in New Jersey "bridged" topology and fractals and made a discovery that could lead to a new way of describing extremely complicated shapes such as the configuration of the ...
Mathematics
Jul 30, 2012
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Chemical batteries power many different mobile electronic devices, but repeated charging and discharging cycles can wear them out. An alternative energy storage device called an ultracapacitor can be recharged hundreds of ...
General Physics
Jul 19, 2012
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Despite China's booming economy, many poor individuals continue to use traditional stoves that burn low-grade solid fuels like charcoal and coal. Such stoves generate high levels of indoor air pollution that cause dire health ...
Energy & Green Tech
Jul 3, 2012
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A team of researchers from Peking University in Beijing, China, and Duke University in Durham, North Carolina, has demonstrated that carbon nanotube-based integrated circuits can work under a supply voltage much lower than ...
Nanophysics
Jun 22, 2012
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ZnSnP2, an absorber material for solar cells, transitions from an ordered to a disordered structure at high temperatures. Researchers from University College London and the University of Bath have proposed taking advantage ...
Condensed Matter
Jun 22, 2012
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Sea waves are a renewable and inexhaustible resource found in abundance across the planet. But efficiently converting sea wave motion into electrical energy has been challenging, in part due to the difficulty of compensating ...
Energy & Green Tech
Jun 22, 2012
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