Humans have a low concentration of rod receptors and a high ... on a white/gold dress (it is in shadow, but more reflective)." In other words, our individual sensitivity to the blue background ...

You can convert a low-resolution logo to a high-resolution ... have a transparent background, to begin with, even though a part of the process will require placing a white background on it.

A big reason for your mood is the high-intensity blue light coming ... It changes the background from white to black. Install blue light-filtering apps on smartphones, tablets, and computer ...