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 ...

Black and white images do not have to be dull and lifeless. There are no colors but they can still look sharp and smooth. Black and white can be just that, black and white. There is also the high ...

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 ...