this post was submitted on 22 Jun 2023
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NASA has a paper on how to not poop for days. It's on the Internet. Before space toilets there was only a space bag with finger scissor/scoop holes. It didn't work, poop got everywhere. The paper goes into detail about fecal matter being everywhere after early multi-day missions.
So they figured it out. Their system works -- I've also had my own reasons.
super nerd, please tell me your reasons involve zero g poop.
also hilarious that the world greatest scientists and engineers settled on "just hold it" before they figured out the poop hoover.
Do you remember anything about the title of this paper? I could not find it
Sorry, I can't find the specific paper-- NASA wrote so much about this (it was a big problem, plus astronauts had to save their poop-- which was then analyzed and copiously written about) that I just got lost looking. Search for "NASA low residue diet" and things like "preflight", "fecal collection assembly", "waste management system", and etc -- from Gemeni through Apollo.
There's pictures online of the bags. They were taped to the butts to help make a seal.
Now I want to read the preflight diet study again, so please write if you find it.