Lasers are useful because they produce powerful beams of collimated, coherent light. The fact that laser light is monochromatic (narrowband spectral output) is an advantage much of the time ...

Tunable lasing at around 405 nm is realised with an InGaN device featuring a narrow-ridge active channel and a periodically ...

Goertek Optics Technology Co. ('Goeroptics'), a subsidiary of Goertek, has unveiled its latest full-color augmented reality (AR) etching waveguide module, Star G-E1, and its proprietary DLP (Digital ...

so you won't be able to install it in any situation where two switches control a single light. The Caséta line of switches from Lutron offers an impressive list of features: geofencing ...

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That light then travels through a few other layers inside the TV, including a liquid crystal, or LCD ... evolved over time -- that color and light output have improved, for example.

Make the most of the night with the best cameras for low-light photography, perfect for photographing February's full moon, or capturing nocturnal wildlife. Whether you're out photographing ...

Crystal Palace ended their recent good form with a 2-1 defeat at home to Brentford.

To get treats, apes eagerly pointed them out to humans who didn’t know where they were, a seemingly simple experiment that demonstrated for the first time that apes will communicate unknown ...

Arsenal don’t just have a striker problem There’s lot of talk about Arsenal’s lack of a striker, but I think it’s a reductive ...

If you suffer from a circadian rhythm disorder, including a night owl tendency or seasonal affective disorder (SAD), you may wonder: What is light box therapy? This treatment, also called phototherapy ...