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How to make an invisible drone

Computational design generates a spinning drone that’s nearly transparent ...
Northwestern engineers built a spinning drone that exploits motion blur, making it about ten times less visible than ...
As Ukraine has shown, 3D printing lets soldiers quickly and cheaply build drones, make parts, and adapt designs for the battlefield.
A drone that spins 25 times a second can avoid being spotted by becoming nothing more than a vague blur – though the creators ...