Temperature Difference Archives – The Green Optimistic green tech news, since 2008 Wed, 29 Sep 2010 07:02:56 +0000 en-US hourly 1 https://wordpress.org/?v=7.0 2667534 Ukrainian & American Team Makes Ferroelectric Nanowires Harvest Heat Differences https://www.greenoptimistic.com/ferroelectric-nanowires-pyroelectric-20100929/ https://www.greenoptimistic.com/ferroelectric-nanowires-pyroelectric-20100929/#respond Wed, 29 Sep 2010 07:02:56 +0000 https://www.greenoptimistic.com/?p=10759 A team of Ukranian and American scientists have discovered that by using structures called ferroelectric nanowires, they can generate electricity from a temperature difference. This concept is now new, but rather uses different approaches and materials. It can harvest energy by using the temperature difference between materials and/or ambients.

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]]> https://www.greenoptimistic.com/ferroelectric-nanowires-pyroelectric-20100929/feed/ 0 10759 Dean Kamen's Stirling Engine Hybrid Scooter Runs on Anything https://www.greenoptimistic.com/dean-kamen-stirling-engine-scooter-20090701/ https://www.greenoptimistic.com/dean-kamen-stirling-engine-scooter-20090701/#comments Wed, 01 Jul 2009 19:16:11 +0000 https://www.greenoptimistic.com/?p=3883 The inventor of Segway (you know, those 2-wheeled self-balancing personal transporters you see in touristic cities - I saw one in Rome) is now specializing in Stirling engines - the grandfather of the steam engine and more efficient than current gasoline engines.

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