Solar Impulse Has Successfully Started Its Round-the-World Trip

After years of planning , the solar-powered airplane Solar Impulse 2 has successfully started its round the world trip . If everything goes to plan, it will become the first aircraft to fly around the globe without a single drop of fuel.
MATsolutions' insight:

It may take a while, but the first fully solar-powered plane is taking a trip around the world. 


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