Think of a Number
A light-hearted exploration of maths and science, presented by Johnny Ball.
Series 5
1. In the Balance
0.0Jan 4, 1984 · 30 minA 6 part series with Johnny Ball. Johnny bounces back with some lighthearted explorations into numbers and science. This week Johnny gets thrown off balance by two junior judo champions, but realising the gravity of the situation, recovers sufficiently to take a bicycle ride on a tightrope. Does he fall off ? Weight and see! Meanwhile - weigh this one up. A half is a third of it... what is it ?
2. Bounce and Stretch
0.0Jan 11, 1984 · 30 minWatch Johnny spring through sand, cement and sponge cakes and discover new angles to pool playing.
3. Planes and Flights of Fancy
0.0Jan 18, 1984 · 30 minThis week Johnny Ball airs his views on Plain Planes and Flights of Fancy with the aid of paper darts, boomerangs, kites and the only model jet aircraft in the world.
4. The Maze of Ways from A to B
0.0Jan 25, 1984 · 30 minJohnny takes off his waistcoat without removing his jacket and spins his way through maps and mazes, helped by a robot mouse. So if you're knot amused, at least you'll be amazed.
5. Say it with Numbers
0.0Feb 1, 1984 · 30 minJohnny whistles for the thistle sifter, finds out how a turtle draws and even meets a computer that talks back. So, in a few words - sag a teat in front of the belly.
6. Beat It!
0.0Feb 8, 1984 · 30 minThis 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!