Q: What has the wingspan of a Boeing 747 but weighs the same as an average car?

A: The first solar powered aircraft able to fly both day and night.┬áThe Swiss-engineered Solar Impulse airplane came to town last month. It’s scheduled to start a coast-to-coast journey next week.

But grab your binoculars.

Source: Newsfix Environment

Where and When to Catch a Glimpse of First Night-Flying Solar Plane Today 1 May,2013KQED Science


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