3 ms·
Plants convert light to food, you don't even need anything from science fiction.
by vbezhenar 6y ago
Plants convert light to food, you don't even need anything from science fiction.
- yjftsjthsd-h 6y agoYou still need carbon; plants just extract it from the air using light.
- vbezhenar 6y agoReuse CO2 and human waste. You need some income, as reuse can't be perfect, but I think it's manageable.