Tiny Robobee X-Wing powers its flight with light – TechCrunch

We’ve seen Harvard’s Robobee flying robot evolve for years: After first learning to fly, it learned to swim in 2015, then to jump out of the water again in 2017 — and now it has another trick up its non-existent sleeve. The Robobee X-Wing can fly using only the power it collects from light hitting its solar cells, making it possible to stay in the air indefinitely. Achieving flight at this scale