A Swiss firm is attempting the first ever round-the-world flight fueled only by the sun's rays. The Solar Impulse 2 plane took off from Abu Dhabi on a 22,000 mile journey, which could land it in the record books.
A solar panel turns the sun's light into energy - now imagine using that energy to lift a plane!
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The solar plane is the result of some creative thinking and hard work... so we want to know, if you could invent something, what would it be? Let us know what your design would look like, and we'll add some of your comments to next week's show.