A Supercomputer Dreamed Up a Bird-Like Airplane Wing https://www.seeker.com/tech/materials... “In a letter published in Nature, Niels Aage and colleagues from the University of Denmark showed off an intricately curved and fractal-like airfoil design that’s strikingly similar to the interior of a bird’s wing and beak.”
What Is a Helicopter? https://www.nasa.gov/audience/forstud... “A helicopter's rotors allow it to do things an airplane cannot. Unlike an airplane, a helicopter does not have to move quickly through the air to have lift. That fact means it can move straight up or down. Most airplanes cannot do this. A helicopter can take off or land without a runway.”
These Jets Can Hover Like Helicopters, Here's How They Work https://www.seeker.com/videos/these-j... “Why bother using the wings at all? Heck you've got a mighty jet engine underneath you, just point it at the ground and blast off! Over the years engineers have tried a few different approaches, but the most successful idea was to use thrust vectoring, like on the Boeing AV-8B Harrier II.”
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