Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to ...

The sensor on your digital camera picks up a lot more than just the light that’s visible to the human eye. Camera manufacturers go out of their way to reduce this to just the visible spectrum in ...

The colors of rubies and emeralds are so striking that they define shades of red and green—ruby red and emerald green. But have you ever wondered how they get those colors? Paper-thin optical ...

Since the human eye cannot actually detect ultraviolet light, what we are actually looking at is a false-color image meant to ...

The Vision Wheel in Once Human offers some cool yet challenging new ways to play the game, for a limited time (Image via NetEase Games) Once Human’s Vision Wheel is one of the changes brought to ...

Often a phrase is used to help remember the order of the groups of the electromagnetic spectrum such as Roman ... that can be detected by the human eye: ...

Electromagnetic waves can be separated into seven distinct groups in the spectrum. Each group contains ... that can be detected by the human eye: ...