>>11199352this
also, you could use a defensive swarm of drones to protect a building or something.
Which makes me wonder, exactly what is the range on wireless energy transfer? Could you set up a one large tower in a large town or city and power every drone in the sky indefinitely? If we ever get to a point where needing a large defensive swarm is necessary, then the secondary benefits would be quite interesting. Like having pizza delivered in 5 minutes or less and for free by drones.
