> When I was in high school, I'd see water running out of a faucet growing narrower, and wonder if I could figure out what determines that curve. I found it was

> When I was in high school, I'd see water running out of a faucet growing narrower, and wonder if I could figure out what determines that curve. I found it was rather easy to do. Wait, is this caused merely by the water being accelerated by gravity? I bet most people would be able to figure out the equations for that if they got interested. Edit: there's a separate thread https://news.ycombinator.com/item?id=26931645 https://news.ycombinator.com/item?id=26931645