Imagine a circle with radius 1 cm rolling completely along the circumference of a circle with radius 4 cm. How many rotations did the smaller circle make? Be prepared for a surprise!
We might have found the Higgs boson, but the search for new physics at the LHC isn't over yet.
If you thought that billiards was a harmless game to play in the pub, think again. It's a breeding ground for chaos!
One thing that makes TV game shows fun to watch is that there's usually an element of luck involved. But how (un)lucky is (un)lucky? We look at the probabilities of two popular examples.
Why does time have a direction?
Like spirals and flowers? Then you'll love polar coordinates and the pretty pictures they allow you to draw!