It might seem like a simple question. But the science behind a blue sky isn't that easy. For starters, it involves something called the Rayleigh effect, or Rayleigh scattering. But that same ...

If Earth had no atmosphere like the Moon there would be no scattering, and the sky would remain black, even in daylight ...

If you’ve ever suffered from dry, irritated eyes or struggled to fall asleep after a long day of staring at your computer, you may have been tempted to purchase a pair of blue-light-blocking ...

Diffuse reflection from surfaces can also subtract ... This is because: cyan light is a combination of blue light and green light the blue light and green light are both absorbed there is no ...

Whether you're scrolling your phone or staring at a computer screen, the best blue light blocking glasses are designed to filter out the wavelengths that are thought to disrupt our bodies' natural ...

She is also a Certified Stress Management Coach. Do blue light glasses actually work? Though they claim to reduce eyestrain and headaches and help you sleep better, no robust research confirms ...