And feed the resulting compost up through a tube to fertilise the plants
The totally self-sustaining, closed-loop, Edible POOP super-deluxe "The Martian" edition. Could sell it to NASA.
Ker-ching!
(
Tribs 🦇 ↓ dn ʎɐʍ sᴉɥʇ ↓🦇,
Thu 5 Mar 2020, 19:44,
archived)