Think of a Number
A light-hearted exploration of maths and science, presented by Johnny Ball.
6. Beat It!
0.0Feb 8, 1984 · 30 min
This week, the last of the series, it's Think of a Number and Beat it! Johnny discovers that hitting things together goes down with a bang, crash, wobble and bonk - as well as a laugh. So if the mood strikes you-hit that button and watch out!