If the silhouette of Solar Impulse becomes a popular icon of an opening era of renewable energy and works to hasten its coming, that will be its greatest return on investment.
Senior scientist at the Swiss Federal Institute of Technology (ETH) in Zurich. Former guest professor at ETH Zurich, and at the Universities of Lugano, Pavia, Siena, Pisa and Ancona. Journalist, book, film and theater author.
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