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I'm not sure if you're serious or presenting what you think is an absurdity, but I instantly knew human photosynthesis must be an existing science fiction trope

I'm not sure if you're serious or presenting what you think is an absurdity, but I instantly knew human photosynthesis must be an existing science fiction trope, even though I don't actually know a title offhand. Frankly, I expect this sort of thing before fusion power that is "too cheap to meter". See: https://scifi.stackexchange.com/questions/151099/story-including-gene-splicing-to-give-humans-photosynthesis-capability https://scifi.stackexchange.com/questions/151099/story-inclu...

kwhitefoot 6y ago
Lise by D M Arnold. See, for instance, https://www.goodreads.com/book/show/18759915-lise https://www.goodreads.com/book/show/18759915-lise and https://earthbound.virtualimprint.com/ https://earthbound.virtualimprint.com/
jxramos 6y ago
The problem is we're just too energy intensive. There's an interesting exchange about average daily calorie needs (2k Cal) and how much sunlight collection you'd need to satisfy that energy need. Cool stuff. Bottom line, our bodies don't present enough surface area to get the job done. http://physicsbuzz.physicscentral.com/2018/02/ask-physicist-how-many-calories-are-in.html http://physicsbuzz.physicscentral.com/2018/02/ask-physicist-...