PET Bottles as Light Source

Frugal Living

PET Bottles as Light Source

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Cecilia del Sol

If you want to light up your homes, you'll have to pay the price for power comes with a price. This is why most of the depressed area in some developing countries are still in the dark because they couldn't afford the price of electricity.

The solution to darkness problem lies to a simple technology which only uses recycled materials to harness the power of the sun. A technology designed and developed by the students from the Massachusetts Institute of Technology (MIT), provides an economically and ecologically sustainable light source to brighten up rooms of schools, homes, and even in large warehouses.

The invention is purely based on the principle of appropriate technologies which takes environmental, ethical, cultural, social, economic consideration on designing things. The technology is also simple and can be easily replicated.

The solar light bulb need used PET soda bottle which is filled with a water and a readily available chemical solution. It is then installed in the roof of homes where half of the bottle is exposed outside and the other inside the room. The water solution in the bottle illuminates sunlight and can give up 55 watts equivalent to electrical light bulbs.

Literally it's just like a hole in your roof but the water solution give far greater light intensity than just a plane hole. The water on the bottle diffuses the light and spreads it around pretty much like how ordinary light bulbs do.

This promising sustainable energy source is already lighting poor communities in Brazil and in Mexico. In the Philippines, it is now being installed in a highly urbanized area in Laguna, south of the country's capital.

The bottle light bulb even work when in rains, as long as it capture enough sunlight to illuminate. I could work best at commercial and industrial facilities as an automatic light source that will turn itself on during the day and off as the day goes by. But it could only be used during the day.

Light is important and could change lives. Remember how the discovery of fire change humanity, this technology can also have a great in our society especially on who uses it.

You can talk about... PET Bottles as Light Source

Tags: • soda bottle • light bulbs • light source • bottle light bulb • pet soda bottle • recycled materials • sustainable energy •

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