“Isang Litrong Liwanag (A Liter of Light)”, a sustainable lighting project of the MyShelter Foundation, established by Illac Diaz, which aims to bring the eco-friendly Solar Bottle Bulb to disprivileged communities across the country.
It is called “bottle bulb” because it is made of an empty 1.5 liter soda bottle and in it is a liquid bleach and purified water that can be used as an alternative electric powered light bulb. However, it is only useful during daytime but its luminance was tested and shown to produce as much light as a 50W incandescent bulb.
For complete details and instruction on how to make this.
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