Sucking the power out of warm water

Ocean thermal energy conversion (OTEC) is something that I’ve known about for a while, but never thought would get anywhere.  Now, I’ve seen two different stories about it in the last month, so maybe it’s actually going to start producing results.

The latest story, from Co.Exist, is about the one big (literally) hitch in the application of the technology: a water pipe bigger than any ever built.  We should be able to build one, but the question, as ever, is “is it worth the investment?”

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