Think blue light is hurting your sleep cycle? A new study suggests it can actually improve the overall sleep quality of older adults — but only if they time it right.

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 ...

While last night on Earth we got a lunar eclipse, the Blue Ghost lander on the moon saw the opposite - a solar eclipse.

But many people aren’t aware that the blue light from your computer and smartphone can also do a number on your skin. Research suggests that blue light, aka high-energy visible light, or HEV, could ...