News tagged with visible spectrum

Nano-LEDs emit full visible spectrum of light

(PhysOrg.com) -- Physicists from Taiwan have designed and fabricated nano-sized light-emitting diodes (LEDs) that emit light spanning the entire visible spectrum. Although the tiny full-color LEDs aren't intended ...

Jun 17, 2011 feature
4.9 / 5 (18) 2 | with audio podcast

The human eye can see 'invisible' infrared light

Any science textbook will tell you we can't see infrared light. Like X-rays and radio waves, infrared light waves are outside the visual spectrum. But an international team of researchers co-led by scientists ...

Dec 01, 2014
4.6 / 5 (81) 32

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

Trifid triple threat

Smouldering several thousand light-years away in the constellation of Sagittarius (the Archer), the Trifid Nebula presents a compelling portrait of the early stages of a star's life, from gestation to first ...

Aug 26, 2009
4.2 / 5 (5) 8