A medic connects electrodes to the head of Bertrand Piccard (C) pilot and co-founder of Solar Impulse before the start of a transatlantic 72 hour flight simulation at the airport in Duebendorf near ... more 
A medic connects electrodes to the head of Bertrand Piccard (C) pilot and co-founder of Solar Impulse before the start of a transatlantic 72 hour flight simulation at the airport in Duebendorf near Zurich December 17, 2013. Swiss long-range solar-powered aircraft project Solar Impulse HB-SIB airplane is expected to be completed by the end of 2013. Flight testing is planned for spring 2014, and the first solar-powered round-the-world flight for sometime between April and July 2015. REUTERS/Arnd Wiegmann (SWITZERLANDTRANSPORT TECHNOLOGY - Tags: SCIENCE TECHNOLOGY TRANSPORT) less 
1 / 28
Reuters | Photo By ARND WIEGMANN / REUTERS
Tue, Dec 17, 2013 7:36 AM EST