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.
2 liter bottle roof light.
How to turn a 2 liter bottle of water into a 50 watt lightbulb.
The power of the sun is harnessed using a bottle full of water quite simply they re used 2 liter soda bottles.
Here s a way to brighten up enclosed spaces in an environmentally friendly way.
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.
We were fortunate enough to work with the people over at the liter of light foundation for this short film.
Sunlight refracts through the bottle to light the space below with 55 watt of.
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.
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.
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.
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.
Apr 8 2013 2 liter bottle of water in roof provides as much light as 60 watt light bulb.
No need for serious hole in roof just a small one to pass wires through.
The combined effects of ultra violet light uv induced dna damage thermal inactivation and photo oxidative destruction inactivate disease causing.
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.
The device is simple.
Using recycled plastic bottles 10 ml of bleach and distilled water the bottle is placed through galvanised steel roofs.
Daylighting is cheaper than using indoor electric lights during the day.
The installation also has a small power 500 charger for a lipo battery and a light switch for obvious reasons.
Hanging the light from the roof is not to difficult either the bottle s neck provides sufficient grip.