Use a 2-Liter Bottle as a 50 Watt Light Bulb

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bottles-as-light-bulbsIt's not often that I'm taken aback by the simplicity and power of an invention, but this one does it for me. It's cheap, anyone can make one and it literally changes lives. Welcome to the water-bottle lightbulb.

The inventor's name is Alfredo Moser, and his idea is spreading like wildfire through his neighborhood in Brazil. Like all really great ideas, it was born out of necessity. During a 2002 energy blackout in Brazil,  Alfredo's workshop was plunged into darkness. And so, using a simple 2-liter bottle of water, two capfulls of bleach and an old 35 mm film canister, he created this lightbulb.

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