2015-04-14
Los Angeles based Lucera Labs has developed an IR sensor equipped alarm clock that wakes up people gently with a focused beam of LED light.
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2014-03-11
U.S. cities are overhauling old lighting systems with energy efficient LED streetlights, as the energy efficient lights are much brighter than conventional lights, energy efficient and provide higher cost-saving capacity. However, blue-rich LED lights can disrupt the circardian rhythm of humans, animals, and even plants according to an article by Earth Island Journal.
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