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People who believe light-emitting diodes, or LEDS, are just an efficient upgrade to the ordinary electric light bulb are stuck in their thinking, suggest Sandia National Laboratories researcher Jeff Tsao and colleagues from other institutions in a Nature "Perspectives" article published in late November.
"LED lighting is only in its infancy," the authors write. "We now stand at the threshold of what might be called engineered light."
Light - Time - Space - Content - Optics
Light intentionally controlled in time, space and spectral content can reward not just human optics with better lighting but also can help regulate human health and productivity by eliciting various hormonal responses.
Moreover, with plants, the authors write, tailored LED wavelengths and intensities can efficiently stimulate their growth, alter...
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