During a blackout in 2002, a mechanic in Brazil pushed a water bottle through his roof. His idea now lights over a million homes

No electricity, no bulb, no wiring. Just water, a splash of bleach and a hole in a roof tile. The post During A Blackout In ...
El Cronista

Natural light without electricity: how the Moser Lamp works, the bottle-of-water technique now used in more than 30 countries

Created in Brazil and spread globally by the MyShelter Foundation, this eco-friendly alternative uses solar refraction in PET ...