Valentin Blickle Archives – The Green Optimistic green tech news, since 2008 Mon, 12 Dec 2011 18:50:10 +0000 en-US hourly 1 https://wordpress.org/?v=7.0 2667534 Laser-Powered Micro Stirling Engine Invented by German Researchers https://www.greenoptimistic.com/laser-micro-stirling-engine-20111212/ https://www.greenoptimistic.com/laser-micro-stirling-engine-20111212/#respond Mon, 12 Dec 2011 18:50:10 +0000 https://www.greenoptimistic.com/?p=21473 You know how Stirling engines work, don’t you? If you don’t you can make an idea by imagining a cylinder with a fixed quantity of gas inside that expands when hot and compresses as it loses heat, creating movement and perhaps moving a piston (just like in the picture). That’s a 200-year-old idea, but now […]

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