Night Voyage Archives – The Green Optimistic green tech news, since 2008 Sun, 05 Jul 2009 13:20:16 +0000 en-US hourly 1 https://wordpress.org/?v=7.0 2667534 Solar Impulse: Viable Manned Flight Powered by The Sun https://www.greenoptimistic.com/solar-impulse-plane-20090705/ https://www.greenoptimistic.com/solar-impulse-plane-20090705/#respond Sun, 05 Jul 2009 13:20:16 +0000 https://www.greenoptimistic.com/?p=3914 Solar Impulse, the first solar powered plane has been unveiled in Switzerland. With a wingspan of a Boeing 747 but lighter than a small car, the plan could fly around the world powered entirely by the sun.

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