Watch a laser-powered RoboFly flap its tiny wings
Making something fly involves a lot of tradeoffs. Bigger stuff can hold more fuel or batteries, but too big and the lift required is too much. Small stuff takes less lift to fly but might not hold enough energy to do so. Insect-size drones have had that problem in the past — but now this RoboFly is taking its first flaps into the air, thanks to the power of lasers.
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