(Phys.org) —A new semiconductor device capable of emitting two distinct colours has been created by a group of researchers in the US, potentially opening up the possibility of using light emitting diodes (LEDs) universally ...
May 03, 2013
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(Phys.org)—A team of physicists working in Singapore has, for the first time, demonstrated the cooling of a semiconductor using a laser. To achieve this feat, the team, as they describe in their paper published ...
Jan 28, 2013
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With a sophisticated X-ray analysis scientists have identified why parts of the Van Gogh painting "Flowers in a blue vase" have changed colour over time: a supposedly protective varnish applied after the ...
Sep 14, 2012
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Two new construction manuals are now available for the world's smallest lamps. Based on these protocols, scientists from the Max Planck Institute of Colloids and Interfaces have tailor-made nanoparticles that ...
Jun 26, 2009
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