Looking to add a bit of color to your day? We’ve rounded up our favorite rainbow recipes and crafts. They’re sure to brighten ...

Ever wonder why the sky is blue, vs. say red, orange or purple? An effect called Rayleigh Scattering is part of the reason we ...

Rabbi Shoshana Boyd-Gelfand and children reflect on the meaning of the rainbow. In Hindu teaching the colours of the rainbow correspond to the energy centres or chakras in the body, beginning with ...

Radiation within the visible spectrum can appear black if it is low in power – more specifically, lower in power than its ...

We see sunlight as white but it’s actually made up of many colours. A rainbow is made during a process called refraction, where light bends inside a prism (in this case, the spherical raindrops).

Could there be others? [Elliot Williams] has written about the importance of gamma correction and adjustment for human perception of color, but we can ask a more fundamental question. Why do we ...

A systematic approach to choosing colors can help us find a lineup effective for color coding. Occasionally, authors use a sequence of colors, such as the 'rainbow' color scheme, to represent a ...