1800 drones flying in unison to form an illuminated globe over Tokyo stadium

Nice picture, but does this give anybody else an uneasy feeling? :-)

"Micro Drones Killer Arms Robots"

https://youtu.be/TlO2gcs1YvM

"Hacking Microdrones for Lethal Gain"

https://alpinesecurity.com/blog/hacking-microdrones-for-leth...

"Attack on the drones: security vulnerabilities of unmanned aerial vehicles"

https://www.virusbulletin.com/conference/vb2015/abstracts/at...

"U.S. Army’s New Drone Swarm May Be A Weapon Of Mass Destruction"

https://www.forbes.com/sites/davidhambling/2020/06/01/why-ne...

"New Chinese weapon launches swarm of suicide drones annihilating targets"

https://youtu.be/scTe1LUjwbo