Are you fascinated by the double slit experiment? Then hold on to your hat for Wheeler's delayed choice experiment.
Try your brain at this tricky, but lovely, riddle.
A quick example of the art of rough and ready calculations.
There are triangular numbers hiding all over the standard multiplication table! Find out how to discover them in this article!
What is group theory and why is it such an exciting area of maths? Two experts explain.
When things go round and round, a cyclic group may be just what you need!
Groups occur all over mathematics, so it makes sense to find a common language to talk about them all.