Blue light is on the visible light spectrum. It has a short wavelength and high energy, which can impact your eyes, stimulate your brain and influence how much your body secretes melatonin ...

Blue light is part of the spectrum of visible light, and it’s a high-energy, short-wavelength light (not to be confused with UVA or UVB rays),” explains GP Dr Ross Perry. “The main source of ...

The electromagnetic spectrum consists of a group of radiations that all travel at the speed of light (\(3\times 10^{8},m\,s^{-1}\)). In the middle of the EM spectrum is the visible spectrum ...