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Andy Green is gearing up to break the land speed record in his rocket powered car Bloodhound SSC

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September 2009
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carbon dating

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Arguably, the exponential function crops up more than any other when using mathematics to describe the physical world. In the second of two articles on physical phenomena which obey exponential laws, Ian Garbett discusses radioactive decay.

Tags: mathematical modelling : exponential law : logarithmic decay : carbon dating : radioactive decay