By Donna Lu | 26 June 2019
NEW SCIENTIST — A 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 centimetres and stands 6.5 centimetres high.
The flying robot was developed by Noah Jafferis and his colleagues at Harvard University. […]
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