The bleach filled bottles then refract the light from outdoors into the house lighting up much like a lightbulb.
Plastic bottle roof lights.
So how does a pet bottle light up a house.
Recycle used clear plastic soda bottles add water bleach then install.
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The bulbs are actually discarded plastic soda bottles filled with water and wedged in a hole cut in the roof.
Sunlight powered bulbs made from plastic bottles light up homes the liter of light project launched to combat the rising cost of electricity in the philippines aims to provide 1 million homes.
With the help of a tropical sun the makeshift bulbs give off about 55 watts of light.
Liter of light a project of the philippines based nonprofit myshelter foundation provides light to poor households around the world with limited or no access to electricity by collecting plastic bottles filling them with water and bleach and sticking them into roofs.
The strips of material are then combined to create long ribbons which lay on top of the housing structure forming plastic thatch roofing.
During the day as the sunlight reaches the water bottle the light is refracted and spreads in the entire room.
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The idea is very simple.
4 3 out of 5 stars 27.
The first step is removing the bottle s top and bottom and flattening its cylindrical shape into sheets.
Light up dark areas in your home during daytime using this green and sustainable concept.
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