RoboFly, the first wireless insect-sized flying robot, is slightly heavier than a toothpick. Credit: Mark Stone/University of Washington
RoboFly is slightly heavier than a toothpick and is powered by a laser beam. Insect-sized flying robots could help with time-consuming tasks like surveying crop growth on large farms or sniffing out gas leaks. These robots soar by fluttering tiny wings because they are too small to use propellers, like those seen on their larger drone cousins. Small size is advantageous: These robots are cheap to make and can easily slip into tight places that are inaccessible to big drones.
But current flying robo-insects are still tethered to the ground. The electronics they need to power and control their wings are too heavy for these miniature robots to carry...
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