Switzerland in an amazing feat of aeronautical engineering developed a long range environmentally friendly solar powered aircraft. Solar Impulse is a Swiss .
Switzerland in an amazing feat of aeronautical engineering developed a long range environmentally friendly solar powered aircraft. Solar Impulse is a Swiss .
The masterminds of sun-powered plane Solar Impulse formally unveiled their new aircraft Wednesday, a year ahead of their planned round-the-world flight.
Solar-Powered Impulse 2 Makes Maiden Flight: Eco-friendly Aeroplane Set To Fly Around The World- 02 June 2014 The outlook is sunny for an experimental .

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