Theoretically, iron pyrite could do the job, but when it works at all, the conversion efficiency remains frustratingly low. Now, a research team explains why that is, in a discovery that suggests how improvements in this promising material could lead to inexpensive yet efficient solar cells.
Nov 19th, 2014
Read moreIt turns out that previous tests indicating that some nanoparticles can damage our DNA may have been skewed by inadvertent light exposure in the lab.
Nov 19th, 2014
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A fluorescent nanoprobe could become a universal, noninvasive method to identify and monitor tumors.
Nov 19th, 2014
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Flat, diamond-shaped plates of lithium iron phosphate improve discharge voltages.
Nov 19th, 2014
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To simplify the electron emission mechanism involved in microwave electron guns, a team of researchers has created and demonstrated a field-emission plug-and-play solution based on ultrananocrystalline diamond.
Nov 18th, 2014
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Testing for ovarian cancer or the presence of a particular chemical could be almost as simple as distinguishing an F sharp from a B flat, thanks to a new microscopic acoustic device that has been dramatically improved.
Nov 18th, 2014
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X-ray laser imaging method successfully tested on nanoscale biological samples.
Nov 18th, 2014
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No comprehensive study has yet been carried out to characterize the photoexcited lattice dynamics of an opaque thin film on a semi-infinite transparent substrate. As a result, ultrafast X-ray diffraction data for such samples can be challenging to interpret. Now a new study builds a model to help interpret such data.
Nov 18th, 2014
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Researchers have developed improved forms of tiny magnetic actuators thanks to new materials and a microscopic 3D printing technology.
Nov 18th, 2014
Read moreResearchers in bone tissue regeneration believe they have made a significant breakthrough for sufferers of bone trauma, disease or defects such as osteoporosis.
Nov 18th, 2014
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MIT chemists have developed new nanoparticles that can simultaneously perform magnetic resonance imaging (MRI) and fluorescent imaging in living animals. Such particles could help scientists to track specific molecules produced in the body, monitor a tumor's environment, or determine whether drugs have successfully reached their targets.
Nov 18th, 2014
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Researchers have developed reinforced graphite nanoplatelets seeking to improve the performance of solar cell materials.
Nov 18th, 2014
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Imagine building a chemical reactor small enough to study nanoparticles a billionth of a meter across. A billion times smaller than a raindrop is the volume of an E. coli cell. And another million times smaller would be a reactor small enough to study isolated nanoparticles. Add to that the challenge of making not just one of these tiny reactors, but billions of them, all identical in size and shape. Researchers at Cornell have done just that.
Nov 17th, 2014
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Scientists have invented a novel cathode that may make cheap, flexible dye-sensitized solar cells practical.
Nov 17th, 2014
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Silicon is the second most-abundant element in the earth's crust. When purified, it takes on a diamond structure, which is essential to modern electronic devices - carbon is to biology as silicon is to technology. A team of scientists has synthesized an entirely new form of silicon, one that promises even greater future applications.
Nov 17th, 2014
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Researchers have developed a new technique to help produce more reliable and robust next generation photonic chips.
Nov 17th, 2014
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