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where does blue light come from

It all comes down to this: consumer electronics are not harmful to the retina because of the amount of light … Natural blue light comes from the sun. Risks from blue light. "There is a paucity of study on the damage blue light does on the skin," says Ciraldo. It is a short wavelength of visible blue light and high in energy. This ray is part of the metaphysical system of angel colors based on seven different light rays: blue, yellow, pink, white, green, red, and purple. Blue light has a short wavelength, so it produces more energy than lights with longer wavelengths, like red light, do. If blue light does have adverse health effects, then environmental concerns, and the quest for energy-efficient lighting, could be at odds with personal health. Where Does it Come From? Where does blue light really come from? Blue light occurs naturally in our environment from the sun and helps regulate our circadian rhythm(1). Did you know the sky looks blue because of blue light?(2). Blue light exists artificially in many digital devices like smart phones, tablets and LED or florescent lighting. We wouldn’t be doing our job if we didn’t come … However, from sunlight (the main source of blue light) comes environmental damage which leads to premature ageing – as we all know. Blue light can be a … Blue light is espec ially good at preventing the release of melatonin, a hormone associated with nighttime. The greenish blue fluorescence color is confined to the surface. It is all around us, all the time. OLED smartphones emit a lot less blue light than LED displays (Image credit: Shutterstock) Blue light: the science. There are two reasons for this: (1) UV light can only stimulate the greenish blue fluorescence on the surface of amber, and (2) amber strongly absorbs the greenish blue fluorescence light and does not allow it to penetrate much below the surface. LED blue light exposure. Blue light also comes from light emitting diodes (LEDs), used in energy-efficient bulbs and to illuminate TV, computer, tablet, and smartphone screens. Acne sufferers may even use blue light as a … On a clear day, the sky appears blue due to the high degree of blue light scattered in the atmosphere. Not only does blue light come from our digital devices, it also comes from natural sunlight. However, it is the bright white-light LEDs, which backlight the displays in smartphones, tablets, and laptop computers, that produce the greatest amount of blue light. Blue light is all around us, there is both natural blue light and artificial blue light. Glasses that block out only blue light can cost up to $80. Blue light emanates primarily from the sun, and also from fluorescent lights, Compact Fluorescent Light (CFL) bulbs, flat-screen LED TVs and screens, LED Lights, computer monitors, smartphones, and tablet screens. The sun, however, is the light source we should be most concerned about. 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