Blue light emissions from all our favorite devices like PCs, smartphones, and tablets, aren’t great for your eyes. Such light can cause trouble sleeping and even cause headaches. That’s why it’s ...

For over 100 years movie posters have represented some of the most immediately recognizable pieces of popular culture and art. From early 20th century examples to the posters currently adoring the ...

As SELF has previously reported, visible light occupies wavelengths between about 380 and 700 nanometers (nm)—blue light falls between 400 and 500 nm on that spectrum. Effective blue light eyeglasses ...