I just read an article (maybe on HN) that they are doing so with drones that shoot electricity or something like that No heavy metals or consumable materials n

I just read an article (maybe on HN) that they are doing so with drones that shoot electricity or something like that No heavy metals or consumable materials needed? https://www.iflscience.com/environment/fake-rain-the-uae-thanks-cloud-seeding-for-its-recent-rain-downpours/ https://www.iflscience.com/environment/fake-rain-the-uae-tha...