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Researchers build ultralight drone that flies with onboard solar

Where does it go? It goes up! — Bizarre design uses a solar-powered motor that's optimized for weight. Enlarge / The CoulombFly doing its thing. On Wednesday, researchers reported that they had developed a drone they're calling the CoulombFly, which is capable of self-powered hovering for as long as the Sun is shining. The drone, which is shaped like no aerial vehicle you've ever seen before, combines solar cells, a voltage converter, and an electrostatic motor to drive a helicopter-like prop...

Read more at arstechnica.com

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