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Nano-watch has steady hands

An international team of researchers use tiny silicon nano-cylinders as the ultra-stable hands of a clock. Using a laser to levitate the tiny rod, they make the nano-hands tick with pulses of polarized light.

Posted: Nov 21st, 2017

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Topological insulators: one glimpse is enough

Topological insulators are new materials with special electronic properties and are of great fundamental and applications-oriented interest. Nevertheless, physicists have wrestled with a ten-year-old puzzle in which the results from the two best methods to probe their electronic states disagree. Researchers now know exactly why.

Posted: Nov 21st, 2017

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Glass microparticles enhance solar cells efficiency

Researchers have suggested a new solar cell coating that combines features of an electrode and those of a light-trapping structure. The coating enabled them to cut down on reflected light and avoid solar cell overheating, thus increasing its overall efficiency by 20%.

Posted: Nov 20th, 2017

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