It was around 1870 when the British physicist John William Strutt, better known as Lord Rayleigh, first found an explanation for why the sky is blue: Blue light from the Sun is scattered the most when ...

The M2 MacBook Air from July 2022 was the first product to come in Apple’s blackish-blue color called midnight. The dark aluminum finish has a look that was the closest to black at the time. It also ...