UNED provides funding as a member of The Conversation ES. When we open our eyes, a myriad of colours immediately appears before us. But they are not merely a decoration of our visual world: they ...

The human eye can physically perceive millions of colours. But we don’t all recognise these colours in the same way. Some people can’t see differences in colours – so called colour blindness – due to ...

The color wheel was first developed by English mathematician and physicist Sir Isaac Newton, who discovered that white light (what we perceive as colorless daylight) is composed of a spectrum of ...