Liter of Light is an open source design for a low-cost light tube (or deck prism or vault light) that refracts solar light to provide daytime interior lighting for dwellings with thin rooves. Daylighting is cheaper than using indoor electric lights during the day.
Liter of Light is an open source design for a low-cost light tube (or deck prism or vault light) that refracts solar light to provide daytime interior lighting for dwellings with thin rooves. Daylighting is cheaper than using indoor electric lights during the day.
Source: Wikipedia "Liter of Light" · CC BY-SA 4.0
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