How Long is a Piece of String? by Rob Eastaway and Jeremy Wyndham, Robson Books, £12.95, ISBN 1861055056 Reviewed by Roy Herbert
THAT popular saying about pessimists, optimists and partly filled glasses of water could soon disappear down the plughole. The highly diverting How Long is a Piece of String? shows that such perceptions are irrelevant – because there’s a calculation proving that full equals empty.
Rob Eastaway and Jeremy Wyndham’s book on the underlying mathematics in everyday situations and actions is more fun than a ride in a one-horse open sleigh. Or a taxi, for that matter. Anyone mystified by the way a taximeter clicks up…
