Video: Letoun, který nepotřebuje palivo, letěl přes USA
Solar Impulse project CEO and pilot Andre Borschberg looks at the sky before take off at Payerne airport May 24, 2012. The Solar Impulse HB-SIA prototype aircraft, which has 12,000 solar cells built into its 64.3 metres (193 feet) wings, attempted its first intercontinental flight from Payerne to Rabat in Morocco with a few days for a technical stop and a change of pilot in Madrid. This flight will act as a final rehearsal for the 2014 round-the-world flight. REUTERS/Denis Balibouse (SWITZERLAND - Tags: TRANSPORT SCIENCE TECHNOLOGY SOCIETY BUSINESS) Published: Kvě. 24, 2012, 7:39 dop.