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Coating noble metal nanoparticles with silica

A straightforward and effective process for coating silver, gold and platinum nanoparticles with functionalized silica shells at room temperature has been developed by A*STAR . Crucially, unlike conventional ...

dateFeb 04, 2015 in Nanomaterials
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Explainer: What is a superconductor?

Materials can be divided into two categories based on their ability to conduct electricity. Metals, such as copper and silver, allow electrons to move freely and carry with them electrical charge. Insulators, ...

dateMar 05, 2015 in Superconductivity
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Kepler's six years in science (and counting)

NASA's Kepler spacecraft began hunting for planets outside our solar system on May 12, 2009. From the trove of data collected, we have learned that planets are common, that most sun-like stars have at least ...

dateMay 13, 2015 in Astronomy
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