In 2002, Brazilian engineer Alfredo Moser invented a simple way to bring the sun’s light indoors: fill a clear plastic 2 liter bottle with water and two capfuls of bleach, then make a hole in the roof and secure it with a waterproof sealant. The result: 40 to 60 watts of free, natural light. Watch the video here.
Tag: Light
Blinded by the light [Article]
Earlier this week, I linked to an article about lighting by gravity. And the critiques begin, almost immediately. A Clean Energy Breakthrough