In this handout photo Gabor Vasarhelyi, physicist and researcher of the Department of Biological Physics at Eötvös Loránd University, is using his computer to set a swarm of 100 quadcopters to fly autonomously during an experiment near Budapest, Hungary, Thursday, Oct. 21, 2021. (AP Photo/HO/Eotvos Lorand University)

This handout photo taken with long exposure shows a researcher of the Eötvös Loránd University observing the flight of a flock of autonomous drones during an experiment near Budapest, Hungary, Thursday, Oct. 21, 2021. (AP Photo/HO/Eotvos Lorand University)

This handout photo long exposure shot shows the flight of a flock of autonomous drones during an experiment near Budapest, Hungary, Thursday, Oct. 21, 2021. (AP Photo/HO/Eotvos Lorand University)

In this handout photo Gabor Vasarhelyi, physicist and researcher of the Department of Biological Physics at Eötvös Loránd University, is using his computer to set a swarm of 100 quadcopters to fly autonomously during an experiment near Budapest, Hungary, Thursday, Oct. 21, 2021. (AP Photo/HO/Eotvos Lorand University)

This handout photo taken with long exposure shows a researcher of the Eötvös Loránd University observing the flight of a flock of autonomous drones during an experiment near Budapest, Hungary, Thursday, Oct. 21, 2021. (AP Photo/HO/Eotvos Lorand University)