It would be really interesting to see if "light pipes" ('fiber' optics that can funnel sunlight to interior spaces. So stack a bunch of these vertically, but h

It would be really interesting to see if "light pipes" ('fiber' optics that can funnel sunlight to interior spaces. So stack a bunch of these vertically, but have a light-pipe to each little window to the algea to feed them photons. Trickle charge batteries?