To be fair, have you ever read anything Feynman wrote about his personal life? Like the time he peed off a a balcony while doing a handstand (to prove that peeing isnt just due to gravity making the pee fall out)
I think the point is that the bladder is above where the pee comes out so gravity could be pulling it out of the body. Aiming upwards wouldn’t change this relationship because the pee is outside the body at that point. By being upside down the bladder is now below where the pee comes out and gravity would be keeping it in. By being able to pee upside down, he demonstrates that gravity is not a necessary component.
I think it can be demonstrated by aiming upwards with some extra pressure though. If gravity were the only thing pulling pee out, i wouldn’t be able to shoot over someone’s head for instance as the pee wouldn’t have enough kinetic energy. Thus gravity is not the only component.
For anyone that hasn’t read it, the book Surely You’re Joking Mr Feynman is a delightful read. Especially the bits about him fucking with security during the Manhattan project.
To be fair, have you ever read anything Feynman wrote about his personal life? Like the time he peed off a a balcony while doing a handstand (to prove that peeing isnt just due to gravity making the pee fall out)
I think I’ve found love.
Couldn’t the same thing be proven by simply aiming (slightly, I hope) upward?
I think the point is that the bladder is above where the pee comes out so gravity could be pulling it out of the body. Aiming upwards wouldn’t change this relationship because the pee is outside the body at that point. By being upside down the bladder is now below where the pee comes out and gravity would be keeping it in. By being able to pee upside down, he demonstrates that gravity is not a necessary component.
I think it can be demonstrated by aiming upwards with some extra pressure though. If gravity were the only thing pulling pee out, i wouldn’t be able to shoot over someone’s head for instance as the pee wouldn’t have enough kinetic energy. Thus gravity is not the only component.
Ok people who pee must feel that they are using muscles, don’t they?
It was the 1800’s, science hadn’t discovered muscles yet.
For anyone that hasn’t read it, the book Surely You’re Joking Mr Feynman is a delightful read. Especially the bits about him fucking with security during the Manhattan project.