Solar light bulbs light up poor communities

The Liter of light project installs 1 pound light bulbs powered by water, bleach (to prevent mould) and sunlight. The project was designed by the students at the Massachusetts Institute of Technology. The bottle bulb harnesses the sun’s rays by refracting inside the bottle creating a 50-watt glow in a room. The project is being tested in the slums around Manilla, Philippines where open flames or homes tapping into the electricity grid caused more than 5000 fires last year. The ‘lights’ are estimated to save up to 40 percent on household expenses, and allow for the mother to do the household chores whist the children can study under better light.

The plan is to extend the project into India and Africa with a target of 1 million installations.

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