## ellipse

Play with our applets to explore the conic sections and their different definitions.

**Gábor Domokos**, one of their discoverers, reckons that in some sense they barely exists at all. So what are Gömböcs and what makes them special?

*Plus*went to see him to find out more about his career.

**Runner up in the schools category**. Dusty books, chalky blackboards and checked shirts are all things usually associated with maths. But according to

**Jonathan Tims**, pubs, hot chocolate and cats can be far more inspirational. Join him on a trip through shadow land.

**David Acheson**? The truth, he says, is that most of them have never been anywhere near it, and that mathematicians could do more to change this perception - perhaps by emphasising the element of surprise that so often accompanies mathematics at its best.

*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.

**Chris Budd**and

**Chris Sangwin**tell us, in 2003 the good old quadratic equation, which we all learned about in school, reached these dizzy pinnacles of fame.

**Chris Sangwin**and

**Chris Budd**tell us about a different kind of sundial, the analemmatic design, where you can use your own shadow to tell the time.