News tagged with light emission

Berkeley Researchers Light Up White OLEDs

(PhysOrg.com) -- Light-emitting diodes, which employ semiconductors to produce artificial light, could reduce electricity consumption and lighten the impact of greenhouse gas emissions. However, moving this ...

Apr 06, 2010
4.4 / 5 (21) 7 | with audio podcast

Stop traffic crashes: Switch on the lights

Street lighting provides a simple, low cost means of stemming the global epidemic of road traffic death and injury. Low income countries should consider installing more lights, and high income countries should think carefully ...

Jan 21, 2009
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