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- Visible light may look white, but it’s actually a range of colors. Each color has a different wavelength. Blue light is made of short wavelengths with a lot of energy. Sunlight is the main source of it, but blue light also comes from some light bulbs and electronic devices.
www.webmd.com/eye-health/ss/slideshow-blue-light-devices
Feb 12, 2024 · Together, they make the white light you see when the sun -- the main source of blue light -- is shining. Fluorescent and LED (light-emitting diode) light bulbs also give off blue light. DID YOU...
Apr 24, 2023 · Blue light, like other colors of visible light, is all around you. The sun emits blue light. So do fluorescent and incandescent light bulbs.
Jul 5, 2022 · When the sun is shining, this is natural white light. Blue light has a shorter wavelength with higher energy: 400–500 nanometers. Blue-light exposure can affect the retina — the layer of cells lining the back wall inside the eye that sense light and send signals to the brain so you can see.
Aug 29, 2024 · Visible light may look white, but it’s actually a range of colors. Each color has a different wavelength. Blue light is made of short wavelengths with a lot of energy.
Sep 16, 2022 · Together, they make the white light you see when the sun -- the main source of blue light -- is shining. Fluorescent and LED (light-emitting diode) light bulbs also give off blue light.
Jan 16, 2021 · Sunlight is a form of white light, which is the color you get when all of the wavelengths of light blend together. Newton saw the colors red, orange, yellow, green, blue, and violet.
Jan 3, 2020 · Combined, this spectrum of colored light rays creates what we call "white light" or sunlight. Digital electronic devices emit blue light that can cause eye strain and may lead to eye problems over time.
