When Necessity Meets Creativity

This is an absolutely amazing example of making do with what you have. An inventor in Brazil developed this idea in 2002 when a massive blackout hit Brazil. Since then, it has been adopted by many of the inventor's friends and neighbours as an inexpensive way to bring the light of 50-watt bulbs into their homes without electricity. All that's needed is an empty soda bottle, a small amount of bleach and a 35mm film dispenser. The video is not in English; but, does have English subtitles.