How can we measure visible light? The electromagnetic spectrum includes all forms of light energy, known as electromagnetic radiation. (1) Different types of electromagnetic radiation such as radio ...

Blue-light glasses were everywhere a few years ago, promising to save our screen-obsessed society from ourselves.

As the U.S. continues to wait for newer sunscreen ingredients, patients should use tinted sunscreens to protect against ...

Valentine's Day could bring a dazzling display of the northern lights for stargazers in some parts of the U.S.

Infrared light lies beyond the visible light spectrum, but photos shot with infrared film or filters let us peer inside these hidden worlds. This marks the fourth time Kolari, a maker of ...

There are three primary colours of light, which can be combined to make secondary colours. A rainbow contains all the colours of the visible spectrum. It is often possible to see a secondary bow ...

To understand where black falls on the color spectrum, first consider what light actually is. Light is radiation visible to the human eye Light is energy called electromagnetic radiation. It’s made up ...