water surface tension Archives – The Green Optimistic green tech news, since 2008 Mon, 13 Apr 2009 12:36:29 +0000 en-US hourly 1 https://wordpress.org/?v=7.0 2667534 Nanotube-Based Solar Powered Boat Built by Berkeley Researchers https://www.greenoptimistic.com/carbon-nanotube-solar-powered-boat-20090413/ https://www.greenoptimistic.com/carbon-nanotube-solar-powered-boat-20090413/#comments Mon, 13 Apr 2009 12:36:29 +0000 https://www.greenoptimistic.com/?p=3365 There have already been successful experiments involving solar powered boats, and there have already been people sailing them in the last ten years. Still, all of them have something in common: they use photovoltaic cells as an intermediate between the sunlight the mechanical work.

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