The science behind the colours of a rainbow is a reminder of the wonders of the original quantum designer In the fifth ...

While violet hits your eye with a specific wavelength, purple only exists in your perception — a clever construct built from ...

The iridescent layer is a colour-changing marvel that transformed with the seasons. When it is carved in two like this, the startling colours of the reindeer eye become obvious. Part of the national ...

The problem that my brain has is that the information from my eyes says that ... understand mixtures of the rainbow colours quickly, so our brain gives us a single colour for each mixture.