Think of a Number

Series 1

1978 · 6 episodes · 3h 0m in all

Episodes

1. 1

   1. Episode 1

   12 Apr 1978 · 30 min

   Johnny Ball, with the help of a studio audience, will show some mind-stretching models, blistering ballistics, lightning calculations and some shocking ways to store your energy - and let it go.

2. 2

   2. Episode 2

   19 Apr 1978 · 30 min

   This week Johnny discovers why hands are so handy, how to make sense of your senses, automate an automaton and how bionic a bionic man can be. Meanwhile - Think of a Number - How many times can you take 3 from 24 ?

3. 3

   3. Materials

   26 Apr 1978 · 30 min

   This week Johnny looks at family trees, works out how to get rid of a boomerang, puts nylon in an endless spin and turns a fossil back into a dinosaur with the aid of an element that never forgets. Meanwhile - Think of a Number - a half is a third of it - what's the number ?

4. 4

   4. Water

   3 May 1978 · 30 min

   Lots of giggles and quite a few gurgles as Johnny explores water from H to O. Meanwhile - Think of a Number. At a quick guess, which set of numbers has the larger total ?

5. 5

   5. The Shape of Wealth

   10 May 1978 · 30 min

   This week Johnny discovers some dicey things about dice and a number over a thousand miles long; also something heavy about gold and cutting about diamonds. Meanwhile - Think of a Number. By using two minus and one plus signs make this all add up! 123456789 = 10

6. 6

   6. Episode 6

   17 May 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 ?