An LED light is a light-emitting diode (LED) that produces a narrow band of visible light when an electric current passes through it. LEDs are common light sources for artificial lighting and electronic screens because they are energy-efficient, affordable and sturdy. An LED light contains a ...
Sunlight is the main source of blue light, and being outdoors during daylight is where we get most of our exposure to it. But there are many other sources of blue light — includingLEDlighting and flat-panel screens. Most notably, the screens of computers, tablets, smartphones and other di...
Why else is blue light bad for you? One reason is because ittends to cause“eye strain.” Staringinto the screens of digital devices for long periods causes the eyes to absorb a lot of unfocused light, which leads to squinting, irritation,dryness of the eyes, trouble focusing and what fee...
Perhaps you've been warned to shut off yourdevices before bedor wear special computer glasses to avoid exposing your eyes to blue light. But what is blue light, exactly, and is it actually bad for your health? First things first: "Blue light is light in the visible portion of the light...
·Eye strain.Bad lightingcan cause eye strain. If there isn’t enough light to illuminate your space, your eyes may have to strain too much to focus. If there’s too much light, your eyes can similarly become overwhelmed, making it difficult to focus appropriately. You need a balance to...
The study was directed to the interindividual differences in the workers' circadian patterns of activity, sleep, oral temperature, time estimation, physical fitness, and food intake. By means of a questionnaire...doi:10.1016/0003-6870(76)90038-7O. OstbergR. WibomElsevier LtdApplied Ergonomics...
With a Halo Lighting Base, Designo Curve MX32VQ allows for the customization of lighting effects, as well as the synchronization of lights and audio output -- all via an intuitive volume and LED control. ASUS Middle East Announces Designo Curve MX32VQ The iPhone 8 also features a dual 12...
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"Light pollution is outdoor lighting that's not serving the task that it's designed for .In fact it is either wasted or,worse,has harmful effects." Jim Dougherty says too much light is bad for our health. (3) B.He says light pollution is also bad for the planet....
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