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
light.
In a country where 40% of the
population lives off less than $2 a day, the rising cost of power leaves
many unable to afford electricity. Some use candles as a light source,
but when generations of family members share a small, dark space in
shanty towns, accidental and destructive fires are often the result.
The scheme uses plastic bottles
filled with a solution of bleached water, installed into holes made in
shanty towns' corrugated iron roofs, which then refracts the equivalent
of 55W of sunlight into the room – during the day, at least. It takes
five minutes to make, and using a hammer, rivet, metal sheets, sandpaper
and epoxy, it costs $1 to produce.
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