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1977: Johnny Ball and the Fun of Mathematics | Think of a Number | BBC Archive
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October 4, 2025
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YouTube Description
as posted by the channelA lighthearted exploration into maths and science presented by Johnny Ball. In this, first edition of Think of a Number, Johnny plays a game of bingo with the audience, considers how repeatedly multiplying a number by a factor of two can quickly lead to whopping digits, shows a neat trick for doing muliplication on your fingers, looks at a tombstone with a word game, demonstrates the art of origami, imagines a two-dimensional world, and produces holographs with a laser.
Clip taken from Think of a Number, originally broadcast on BBC One, 2 April, 1977.
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1977Johnny Ball InNumber JohnnyBBC One
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