Four-Winged Flying Insect Robot Weighs Under a Gram
Solar-powered winged robot has become the lightest machine capable of flying without being attached to a power source. Weighing just 259 milligrams, the insect-inspired RoboBee X-Wing has four wings that flap 170 times per second. It has a wingspan of 3.5 centimeters and stands 6.5 centimeters high. The flying robot was developed by Noah Jafferis