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Title: Solar Impulse II Written by: duddy on Apr 12, 2014 (https://biology-forums.com/gallery/47/4_12_04_14_3_55_28.jpeg) (https://biology-forums.com/index.php?action=gallery;sa=view;id=15793) Meet Solar Impulse 2, an aircraft that can fly for up to five days straight and will reportedly be able to fly around the world. The plane is an impressive feat of engineering, with wings as wide as a 747, but weighing only a little more than the average car. Tests of the aircraft will begin in a few weeks, with the round-the-world attempt planned for next March. |