This article was taken from the November 2011 issue of Wired magazine. Be the first to read Wired's articles in print before they're posted online, and get your hands on loads of additional content by ...

A Brazilian mechanic is bringing light to the masses. With just a plastic bottle, water, and bleach, Alfredo Moser has found a way to produce a light that is up to 40 or 60 watts — stronger than some ...

Ten years after the light was first thrown on the idea of the bottle bulb, the first batch of these 'lights' will be installed in Mumbai's slums Mumbai: Ten years after the light was first thrown on ...