![]() ![]() It’s obvious from the list that even when we limit exposure to sunlight, which is the most important source of blue light, we are still exposed to blue light in many more ways than we thought. Computer monitors, smart phones, and tablet screens.But, apart from the sun being a natural source of blue light, there are artificial sources, as stated below: Talking about high energy, about a third of light that we can see is high-energy/blue light, with the sun being the highest/most important source. ![]() Did you know that blue light “vibrates” within 380 to 500 nanometer range? This means blue light is in the class of light with the highest energy. Well, to answer that question, we need to remember some basics. Why single out blue light? Is it particularly harmful? ![]() One of the little intrigues of science is that what we perceive as light isn’t colorless in fact it is not just one color, elementary physics tells us that there are actually seven colors in what we perceive as light. Now this comprises some light that the human eye can see and some others that we can’t see. The ones we can see are what they refer to as the visible light spectrum and blue light is part of these. ![]()
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