Solar Impulse project featured in the Economist
March 4, 2013 09:01 AM
"The team behind the project, called Solar Impulse, are using their prototype to learn what will be required to build a second aircraft capable of circumnavigating the globe using only the power of the sun. After carrying out a number of successful test flights of the prototype from their base at an airfield in Payerne, Switzerland, construction of their second aircraft began."
Read more here.