Researchers at the University of California, Berkeley, have just unveiled the world’s smallest flying robot. With a wingspan of just 9.4 millimeters and weighing 21 milligrams — smaller than a grain ...

Scientists have created what they say is the world's smallest untethered flying robot, by taking a unique approach to its design. To minimize size and weight, they've moved the bot's power and control ...

A small robot with wings like an insect can fly and generate more power than a similarly sized animal in nature. Most flying robots, whether they use wings or propellers, have motors and gears and ...