Posts Tagged ‘joule’

How should we measure energy (and power)?

Friday, April 9th, 2010

The recent consultation on so-called “calories” on menus, together with the launch of more new models of electric cars has prompted these thoughts on the dysfunctional way in which we measure energy and power. This muddle reflects a lack of understanding of basic science and prevents people from making useful comparisons. We should standardise on the joule (J) and the watt (W).

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Joules on the menu, please

Thursday, March 11th, 2010

The very worthy proposal of the Food Standards Agency (FSA) that menus should state energy values is undermined by its failure to use proper measurement units.  UKMA has responded by advocating joules rather than so-called “calories” (whatever they may be).

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