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Physicists split and collide ultracold atom clouds

Physicists have pushed the frontiers of quantum technology by developing a steerable 'optical tweezers' unit that uses intense laser beams to precisely split minute clouds of ultracold atoms and to smash them together.

Posted: Mar 31st, 2014

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Nanofiber paper filter removes viruses

Researchers have developed a paper filter, which can remove virus particles with the efficiency matching that of the best industrial virus filters. The paper filter consists of 100 percent high purity cellulose nanofibers, directly derived from nature.

Posted: Mar 31st, 2014

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Carbon nanotubes grow in combustion flames

Researchers have revealed similarities between the molecular mechanism of carbon nanotube (CNT) growth and hydrocarbon combustion. The study identifies new ways to control the growth of CNTs and increase the understanding of fuel combustion processes.

Posted: Mar 31st, 2014

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Researchers develop technique to measure quantity, risks of engineered nanomaterials delivered to cells

Scientists at the Center for Nanotechnology and Nanotoxicology at Harvard School of Public Health have discovered a fast, simple, and inexpensive method to measure the effective density of engineered nanoparticles in physiological fluids, thereby making it possible to accurately determine the amount of nanomaterials that come into contact with cells and tissue in culture.

Posted: Mar 28th, 2014

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Revolutionary solar cells double as lasers

Latest research finds that the trailblazing perovskite material used in solar cells can double up as a laser, strongly suggesting the astonishing efficiency levels already achieved in these cells is only part of the journey.

Posted: Mar 28th, 2014

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