## chaos

**Caroline Series**and

**David Wright**give a short introduction to the maths behind their beautiful images.

**Robert L. Devaney**explores the maths behind these beauties and shows that they're loaded with mathematical meaning.

Physicists create a quantum Newton's cradle - and witness an absence of chaos for the first time.

**Nick Collins**talks to

*Plus*about his artificial musician.

**Lewis Dartnell**explained how chaos on the brain is not only unavoidable but also beneficial. Now he tells us why the same is true for our solar system and sends us on a journey that has been travelled by comets and spacecraft.

**Lewis Dartnell**, it could be that the mathematical phenomenon of chaos is a crucial part of what makes our brains work.

*Plus*, we heard how a simple mathematical equation became the subject of a debate in the UK parliament.

**Chris Budd**and

**Chris Sangwin**continue the story of the mighty quadratic equation.