Thinking out of box.. And this is just that. In today's world, how do we light our room? Bulb with filament at the core, tubelights, candles etc. There are places in this world where people mostly spend the day in dark room with no lighting.
Brazillian engineer has come out with an ingenious solution. A solar bulb. The bulb we are talking about is 2 litre pep bottle filled with water and bleach. The water diffracts the light, letting it spread throughout the house instead of focusing on one point. The bleach keeps the water clear and microbe-free.
Solar Bottle Bulb as it is known in the scientific circle is now a lighting source for thousands in Philippines & Brazil.
Reach the author at aahadqj@ gmail.com
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