Brilliant use of water bottles to light houses in low income communities (via @slopeypen)

[youtube http://www.youtube.com/watch?v=a9fpolCvM-8?wmode=transparent] “A bottled liter of water with a few teaspoons of bleach is proving to be a successful recipe for dwellers in the light-deprived slums of the Philippines. The simple technology is spreading sunlight in places where it has never been, and saving residents money at the same time.”