The urine is a valuable resource, actually: http://richearthinstitute.org/ | Hacker News

Hacker News new | past | comments | ask | show | jobs | submit

login

DFHippie on March 15, 2019 | parent | context | favorite | on: CowToilet, a Toilet for Cows

The urine is a valuable resource, actually: http://richearthinstitute.org/

Guidelines | FAQ | Lists | API | Security | Legal | Apply to YC | Contact