green pass Archives – The Green Optimistic green tech news, since 2008 Fri, 10 Sep 2010 12:09:42 +0000 en-US hourly 1 https://wordpress.org/?v=7.0 2667534 Green Pass: The Award-Winning Turnstile That Powers Itself https://www.greenoptimistic.com/green-pass-turnstile-20100910/ https://www.greenoptimistic.com/green-pass-turnstile-20100910/#respond Fri, 10 Sep 2010 12:09:42 +0000 https://www.greenoptimistic.com/?p=10219 What can a hundred thousand Chinese people do when entering the subway? Produce power, of course! A team called "VIVA design", from the Guangdong University of Technology in China, have retrofitted those turnstiles at the subway entrances to produce electricity whenever someone passes through.

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