Solar-powered plane revealed in Switzerland
Clip: 04/13/2014 | 1m 50s
Following 12 years of research and testing, designers and pilots Bertrand Piccard and Andre Borschberg debuted a huge solar-powered plane in Switzerland this week. The plane, which boasts a wingspan winder than a 747's, is covered in more than 17,000 solar cells. Hari Sreenivasan reports.
Aired: 04/13/14
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