Solar-Powered RoboBee X-Wing Flies Untethered

Just this week, in this very galaxy, X-Wing achieves liftoff

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Solar-Powered RoboBee X-Wing Flies Untethered
The new RoboBee X-Wing features solar cells, an extra pair of wings, and improved actuators, and it can fly untethered for brief periods of time.
Photo: Harvard Microrobotics Lab