2 Liter Bottle Roof Light

We were fortunate enough to work with the people over at the liter of light foundation for this short film.

2 liter bottle roof light.

The device is simple. 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. No need for serious hole in roof just a small one to pass wires through.

The power of the sun is harnessed using a bottle full of water quite simply they re used 2 liter soda bottles. 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. Apr 8 2013 2 liter bottle of water in roof provides as much light as 60 watt light bulb. 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.

Sunlight refracts through the bottle to light the space below with 55 watt of. By cutting holes in his workshop roof the new water bottle lightbulbs could shine the sun s rays directly into his dark. Daylighting is cheaper than using indoor electric lights during the day. 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.

You can help out people bring light to people s h. How to turn a 2 liter bottle of water into a 50 watt lightbulb. Using recycled plastic bottles 10 ml of bleach and distilled water the bottle is placed through galvanised steel roofs. Hanging the light from the roof is not to difficult either the bottle s neck provides sufficient grip.

The installation also has a small power 500 charger for a lipo battery and a light switch for obvious reasons. 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.