Here s a way to brighten up enclosed spaces in an environmentally friendly way.
2 liter bottle roof light.
Liter of light day is an affordable diy lighting system that allows the sun s rays into homes schools and public centres for us 2 per unit.
The power of the sun is harnessed using a bottle full of water quite simply they re used 2 liter soda bottles.
You can help out people bring light to people s h.
The installation also has a small power 500 charger for a lipo battery and a light switch for obvious reasons.
Using recycled plastic bottles 10 ml of bleach and distilled water the bottle is placed through galvanised steel roofs.
Liter of light liter of light bleach bottles are shown inside a roof one viewed from the outside left and the other from the inside at night.
Users of sodis fill 0 3 2 0 liter plastic soda bottles with low turbidity water shake them to oxygenate and place the bottles on a roof or rack for 6 hours if sunny or 2 days if cloudy.
We were fortunate enough to work with the people over at the liter of light foundation for this short film.
The device is simple.
Good idea in a garden shed and or chicken coop.
Daylighting is cheaper than using indoor electric lights during the day.
How to turn a 2 liter bottle of water into a 50 watt lightbulb.
Hanging the light from the roof is not to difficult either the bottle s neck provides sufficient grip.
Apr 8 2013 2 liter bottle of water in roof provides as much light as 60 watt light bulb.
Liter of light is an open source design for a low cost light tube that refracts solar light to provide daytime interior lighting for dwellings with thin roofs.
With 1 2 billion people lacking electricity worldwide as of 2014 liter of light s bleach bottles provide a cheap solution that is easy to make at home.
The liter of light project was launched six months ago by the my shelter foundation a philippines based ngo which aims to provide light to 1 million of the roughly 12 million homes who are either.
The combined effects of ultra violet light uv induced dna damage thermal inactivation and photo oxidative destruction inactivate disease causing.
A transparent two liter bottle is filled with water plus a little bleach to inhibit algal growth and fitted into a hole in a roof.