Monitors tend not to have picture processors; if they do, they’re pretty weak. To get a monitor looking as good as a TV, you’ll want to calibrate the video signal output. However, that’s pretty rare ...

A simple structural tweak has dramatically enhanced the colour clarity and stability of heavy metal-free blue quantum dots.

A passport is the key to getting into other countries. You might have noticed, maybe while waiting in the passport-control queue, that these travel documents come in only a few colours. In general ...