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Re:The underground farm growing salad crops in a disused air... by waste_monk on Wednesday August 21, 2019 @09:30PM (#20763805)
> The energy required to photosynthesize will never be more economical from artificial lighting than the sun

What about capturing and redirecting natural light, to replace or supplement the grow lights?

I've seen "light well" systems that direct natural light around the building using mirrors and tubes (e.g. in office buildings to decrease lighting costs and combat seasonal affective disorder), so this seems like a natural extension of that concept.

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