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Headline

Iceland's volcanoes could power the UK: but at what cost?

Comment

AC is the only way to transmit power long distances, not DC. AC can be transformed to very high voltage at low current which greatly reduces I^2R line losses. Tesla won that argument with Edison decades ago.

Posted date

24 Apr 2012

Posted time

4:56 am

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Digital Edition

The Engineer May Digital Edition

Poll

Forward-looking flying car specialist Terrafugia has unveiled a new autopilot-equipped STOVL concept which it says could be on sale in 8-12 years. But will the science-fiction staple of the flying car ever take off?

Previous Poll

NASA chief Charles Bolden says that the agency is moving forwards with plans for a manned Mars mission, but there are significant ‘technology gaps’. Which of these is likely to be the most difficult to overcome?

Read and comment on the results here

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