Today I learned

TIL that human poo was going to be used to line the Inspiration Mars shuttle to protect from radioactivity.

https://uk.pcmag.com/robotics/17012/mars-mission-may-use-poop-shield-to-block-cosmic-rays
#til #todayilearned
https://www.reddit.com/r/todayilearned/comments/1sd0mjs/til_that_human_poo_was_going_to_be_used_to_line/

Mars Mission May Use 'Poop Shield' to Block Cosmic Rays

The astronauts selected for an ambitious voyage to Mars could wind up looking out for No. 1 through the clever, if stomach-churning, use of No. 2.

PCMag UK
Apr 5 at 11:06amWeb