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Isang Litrong Liwanag

Written By Jane Miranda on Monday, June 25, 2012 | Monday, June 25, 2012

Isang Litrong Liwanag (1 Liter of Light), MyShelter Foundation’s latest venture, is a sustainable lighting project which aims to bring the eco-friendly Solar Bottle Light to disprivileged communities worldwide. Designed and developed with students from the Massachusetts Institute of Technology (MIT), the Solar Bottle Light is is rooted on the principle of Appropriate Technologies – a concept that provides simple and easily replicable technologies that address basic needs in developing communities.

1 Liter of Light is a program inspired by many innovations from around the world. Many cultures have used glass bottles to allow lighting through the roof, and Alfredo Moser from Brazil began pioneering methods of experimenting with plastic bottles. There have been modifications to the Philippine model, which has begun to grow it to scale, and we hope that others take our work and continue to grow the concept, spreading it rapidly to empower and lighten the lives of people.

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. After installation this solar light bulb can provide approximately 55 watts of light from the sun,this is like a solar tube or deck prism.

The communities who benefit from this idea live in areas where the houses hardly have windows and live in darkness even during daytime. Their solution up until this innovation was to turn on the light bulb and use electricity.

All you need for the device is a used plastic bottle (preferably 1.5liter soda bottle with cap); purified water; bleach & rubber sealant.  Fill the bottle with water, 3 bottle caps of bleach, then seal with rubber sealant.  The water refracts the light, while the bleach slow down evaporation & prevent growth of molds.  The solution is expected to last up to 2 years before you need to change it.  Not bad!


Gumupit ng yero na may sukat na 9 x 10 inches.
Sa gitna ng yero, gumuhit ng 2 bilog (labas: pareho sa sukat ng bote; loob: mas maliit ng 1 cm). Gupitin ang mas maliit na bilog.
Gupitin paikot ang natira na 1 cm sa maliliit na bahagi at itupi pataas, salungat sa yero.
Gamit ang sandpaper, kuskusin ang ibabaw sa may ikatlong bahagi ng bote kung saan ilalagay ang GI sheet para mas dumikit ang rubber sealant.
Ipasok ang bote sa gitnang butas ng yero hanggang sa itaas na ikatlong bahagi. Lagyan ng rubber sealant ang itaas at ibaba ng pinagkabitan.
Punuin ang bote ng filtered na tubig at ~10 mL na bleach (2 sukat gamit ang takip). Ilagay ang takip.
Ang solar bottle bulb ay handa nang ikabit!

Gumawa ng butas sa bubong, pareho sa sukat ng bote.
maglagay ng rubber sealant (vulca seal etc.) sa paligid ng butas
Ilagay ang solar bottle bulb sa butas. Siguraduhin na maayos ang pagkalagay
Magbutas ng apat sa magkabilang gilid ng solar bottle bulb at lagyan ng rivets. o isakto ang butas malapit sa mga pamakuan at gumamit ng pakong yero para maikabit ito.
Maglagay ng rubber sealant sa lahat na gilid ng GI sheet ng solar bottle bulb upang maiwasan ang pagtulo.
Lagyan ng plastic tube at rubber sealant ang takip ng bote.

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