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Whales have given us a reliable source of energy for centuries: oil for our lamps, wax for our candles, and of course margarine. All that's required to harvest these lovely fuels is wholesale slaughter of the harmless creatures, and that's starting to go out of fashion, mostly because the whales were starting to go out of existence. But Frank Fish and fellow engineers at WhalePower have a come up with new way of harnessing energy from whales: designing wind turbines that mimic the contours of the pectoral fins of humpback whales. Doing so has made for blades that are quieter, more efficient, and operate reliably at low wind speeds. More »
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