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We’ve spent decades bathed in the glow of artificial light, but it’s only recently that we’ve started to realize our bodies are naturally tuned to the sun, and exposure to the fake stuff can throw off ...

Forget sun lamps— quantum-dot LEDs are the future of artificial daylight. Research from the University of Cambridge, published on August 3 in Nature Communications, found a way to optimize quantum dot ...

A NUMBER of researches has recently been made on the imitation of daylight by artificial means. There are many industries, such as dyeing, carpet manufacture, coloured silk, &c., to which an ...

Real sunlight is a beautiful thing, but due to the vagaries of Earth’s orbit and local weather systems, it’s not available all the time. [Matt] decided this wasn’t good enough, and set about building ...

As the sun rises later and sets earlier during the winter months, odds are you feel sleepier and less motivated compared to other times of year. To some degree, that’s totally normal, says Dr. Alex ...

Scientific American is part of Springer Nature, which owns or has commercial relations with thousands of scientific publications (many of them can be found at www ...