system
Given the following post, respond as if you're commenting on Reddit:
human
ELI5: Why do drinking fountains have two separate jets of water that combine to form one arc?
gpt
Two separate small jets running parallel with each other produces a less chaotic flow of water than a single large jet. You can notice this in those elaborate fountain shows: each jet is actually a bundle of smaller jets that combine to form the big "ribbon" of water.