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Removing color from brown diamonds

Diamonds come in all colours with price tags to match - ice-white, blue and pink attract high prices and stones with brown hues the least. But now that brown diamonds can be heat-treated to remove the darker colour to produce ...

dateFeb 16, 2015 in Condensed Matter
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Robotics goes micro-scale

( —The development of light-driven 'micro-robots' that can autonomously investigate and manipulate the nano-scale environment in a microscope comes a step closer, thanks to new research from the University of Bristol. ...

dateApr 17, 2014 in Optics & Photonics
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