After installation this solar light bulb can provide approximately 55 watts of light from the sun the comments below have noted that this is like a solar tube or deck prism.
Plastic bottle roof light.
During the day as the sunlight reaches the water bottle the light is refracted and spreads in the entire room.
The idea of using plastic bottles as a light source is not a new one it was developed in brazil by alfredo moser in 2002.
But filipino actor illac diaz is look.
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 bleach filled bottles then refract the light from outdoors into the house lighting up much like a lightbulb.
Daylighting is cheaper than using indoor electric lights during the day.
Old plastic bottles have now been used to light up more than 850 000 homes around the world.
The idea is very simple.
Light up dark areas in your home during daytime using this green and sustainable concept recycle used clear plastic soda bottles add water bleach then install.
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.
Well the procedure is simple a small hole is cut in the roof of a house and a transparent plastic bottle with clear water is fitted in.
But with the help of a group of mit students the solar bulb used in the.
The plastic bottles are up cycled in the local community so no energy is needed to gather shred manufacture and ship new bottles the carbon footprint of the manufacture of one incandescent bulb.
The bulbs are actually old plastic soda bottles filled with water and bleach and powered by the sun.
Filipino soldiers install solar light bulbs through a roof in a shantytown in manila philippines.
So how does a pet bottle light up a house.