Contrary to popular belief, blue light is not just the light that comes from our screens, computers, phones, or televisions. Blue light can be found everywhere, and the major source of blue light is the sun, that is why we see the sky as blue. So, when we move around in the day we are being exposed to blue light. The light spectrum is made up of infrared, UV, and visible light. The visible light is the only one detectable by the human eye and blue light is part of it. The blue light has a high concentration of energy...