Green grid

A version of this article was published in New Scientist on 12 March 2009. Thomas Edison might have relished the irony. Just as his most famous legacy, the incandescent light bulb, heads for extinction, his other great passion, direct current, is set to boom. (more…)...
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Pipe dreams

First published in the Guardian, 3 December 2008. An old friend was once memorably described as a sixties liberal with Catholic guilt – you can just imagine the internal contortions. I got the same impression of grinding gears while reading the International Energy Agency’s latest long term forecast, the World Energy Outlook 2008, published last month. (more…)...
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