A Laser Powered a Drone Propeller From a Distance, but the Drone Has Not Flown Yet

Researchers built a wing-mounted receiver that converted green laser light into electricity at 38.49% efficiency and powered a stationary drone model’s propeller. The result could support longer missions one day, but it was a laboratory proof of concept, not an in-flight charging demonstration. A Laser Powered a Drone Propeller From a Distance, but the Drone Has Not Flown Yet