Solar Impulse

(via Solar Impulse)

A solar powered airplane that landed in St. Louis last Tuesday is scheduled to depart early tomorrow morning [Friday].

This will be the 4th leg of the aircraft’s cross-continental flight.

Solar Impulse was originally scheduled to fly directly from St. Louis to Washington DC. But because of strong winds the plane will make an additional stop in Cincinnati to allow the team to rest and switch pilots.

The plane’s 12,000 solar cells power it by day while recharging batteries that allow it to fly at night.