with Johnny Ball
A lighthearted exploration of science and number.
This week Johnny takes a journey round the magic world of squares with tricks and illusions enough to turn you square-eyed.
Find out about magic squares that always add up ... down ... across ... and sideways ... and journey into space with 3-D computer graphics in The Four Side Saga. Written by JOHNNY BALL
Music PETER MOSS
Designer ANDREW PURCELL Director TIM BYFORD
Producer ALBERT BARBER BBC Bristol
Q: How do you divide 6 marbles in a box between 6 people, so that each person receives a marble but one marble remains in the box?
A: Give the last person his or her marble in the box
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