Christmas Candles

Dr Michael de Podesta from the National Physical Laboratory (NPL) We all love to see candles burning in a window at Christmas - but did you know each flame is an astonishing world of metal-melting super-high temperatures? Or, that a typical candle contains ten times more energy than a stick of dynamite - and more energy than 250 AA batteries?

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Lisa Miles
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Dec 16, 2013

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