MIT developed the idea and it’s now being implemented in poor homes in the Phillipines. Fill a plastic bottle with water and stick it in the roof. It provides a surprising amount of light.
Politics in the Zeros
"A republic, if you can keep it." Defeat MAGA
Politics in the Zeros
"A republic, if you can keep it." Defeat MAGA
Am I the only person that realizes this only works during the day? LOL.
Nevermind, I actually read the article and they’re solar bulbs that also use the sun to charge themselves. I suppose it’s ok depending on how much of a charge they can hold.