UC Berkeley Unveils World’s Tiniest Battery-Free Drone Powered by Magnetic Fields
Back when we imagined the future, flying robots were always loud, blinking, and somehow armed — straight out of a ‘90s sci-fi flick. The reality, as it turns out, is much quieter, more delicate, and surprisingly elegant. UC Berkeley’s latest creation, the world’s smallest battery-free flying robot, feels less like a Hollywood prop and more…