Think of a Number
A light-hearted exploration of maths and science, presented by Johnny Ball.
6. Episode 6
0.0May 17, 1978 · 30 min
This time Johnny considers why the Earth is in a flat spin; talks about what makes tocks tick and how to gain on the swings and roundabouts. So meanwhile - Think of a Number - Divide 50 by a half and add three. What's the answer ?