Previously, the smallest reported flying robot, either tethered or untethered, was 28 millimeters wide. When exposed to an external alternating magnetic field, the robots spin and fly without tethers.

Berkeley engineers create the world's smallest wireless flying robot, with the bumblebee-inspired robot less than 1cm in diameter.

Bug-size robots that fly and flip could pollinate futuristic farms’ crops Weighing less than a paper clip, they can stay aloft more than 100 times longer than previous designs.

Like a bumblebee flitting from flower to flower, a new insect-inspired flying robot created by engineers at the University of California, Berkeley, can hover, change trajectory and even hit small ...