Late Saturday night there was a strange hum and much applause at Dayton International Airport. The hum came from the electric motors of a solar-powered airplane switching off after a flight from Oklahoma.
Solar Impulse 2 is a Swiss-made airplane trekking across the globe to promote clean energy and a spirit of innovation. ideastream’s Tony Ganzer reported on Solar Impulse in Switzerland in 2010, and caught up with the team again in Dayton.
Listen to a radio report from WCPN: