In most cases, QR codes use black squares on a white background, making the dots easy to distinguish. However, this is not a strict requirement, and QR codes can use any color or shape for the ...

A few text prompts for a plain and pure white background did not have DALL-E 3 delivering exactly what had been asked: "An image that is nothing but the color white" "An image of nothing but white ...

Ed. note: If you do extensive reading on a computer screen you know how quickly stark black-on-white text can strain your eyes. One Lifehacker reader, ...