Discover where black falls on the color spectrum and how human perception of colors is subjective and context-dependent in this insightful article.

The same shifts in frequency and wavelength are also observed for light coming from stars in distant galaxies. By comparing the light from distant stars with the spectrum of light from our Sun it ...

They come out at a shallower angle, and that's why you get the full spectrum of colours from the white light of the sun. And it's this light that paints the Earth. There are seven colours of the ...

Blue light, which emanates from sunlight, LED-based ... Many species can see wavelengths that fall outside the "visible spectrum". Bees and many other insects can see light in the ultraviolet ...