Solar Bottle Bulb in Philippines

 

Millions of poor homes in Philippines – and a lot more around the world – in the dark because the metal roof block all light and no connection to electricity in informal settlements.

A student of MIT found that one-liter plastic bottle filled with water and bleach and then mounted on a metal roof is a simple way to light homes that have no electrical connectivity or natural lighting. It was called Solar Bottle Bulb.

How to Make, How to Work and Spec of Solar Bottle Bulb

1. Fill plastic bottles with water and bleach then capped; bleach works to make the water clear and also to prevent fungus or microbe.
2. Make holes in the metal roofs, insert the bottle and then sealed to avoid leaks when it rains.
3. Plastic bottles refract sun light and pushed into every corner of the home rather than to highlight one area like an ordinary lamp.
4. Simple technology that can be installed in less than an hour, lasting for five years, and equivalent with 60-watt light bulb.

As part of their Solar Bottle Project, Isang Litrong Liwanag (A Liter of Light) organization has installed 10,000 of Solar Bottle Bulb throughout Manila.

Photo: Isang Litrong Liwanag

[Via]

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