It's been in the market since a couple of decades... It's called solar tunnel
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How about we just put it into the building code that windowless rooms are not allowed?
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what about toilets, hallways, elevators, closets, emergency stairs, storage rooms, underground garages?
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Windowless toilets should be banned!
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this is a windowless toilet http://www.lolhome.com/img_big/funny-picture-1233752494.jpg …
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That is a throne!
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The it gets hot too
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Have you tried? Do you know how physics works? Artificial light makes you hot too?

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This needs also heat collection, and some uv protection.
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@Google that's innovative.. Not a $1000 pixelThanks. Twitter will use this to make your timeline better. UndoUndo
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Better than the old type skylights
Thanks. Twitter will use this to make your timeline better. UndoUndo
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