The human-centric lighting specialist has parted ways with Plessey to find a more efficient violet chip.
Human-centric lighting specialist Circadian Light has improved the efficiency and output of its biologically-geared LED light engine, and has licensed the new hardware to Acuity Brands in the first of what Circadian hopes is other similar deals.
Women who slept with the lights or TV on had a higher risk for obesity.
Sleeping with the lights on may increase the risk for obesity. Researchers prospectively followed 43,722 generally healthy women, average age 55, for an average of six years.
At enrollment in the study, the women reported whether they slept with lights or a television on in the room.
For hundreds of thousands of years, humans lived under one source of light: the sun. It rose in the morning. It set at night. And evolution programmed our bodies according to that ancient, never-changing schedule.
Then we invented electric lighting. Now instead of spending our days under the bright sun, most of us spend them in rooms that are relatively dim.