A
Swiss pilot unveiled on Wednesday, what could be a history-making aircraft.
It is designed to fly around the globe powered
only by the sun.
The Solar Impulse 2
will begin test flights next month in preparation for a planned
around-the-world trip next year. The plane has the same wingspan as a jumbo
passenger jet.
But
only weighs about the same as a large car. Solar Impulse 2 is powered by more
than 17,000 solar cells, grabbing energy from the sun and storing it in
batteries. The plane is an updated model
of a solar-powered aircraft built five years ago and flown across the United
States last year.
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