00:00Have you ever wondered why people break the roofs of their houses like this and put water bottles in them?
00:05Now don't think that this is some new fashion because this is a way to generate light without electricity.
00:12In which a water bottle is filled and two chutes of bleach are added to it so that algae and bacteria do not grow in the water
00:18And then after making a hole in the roof, these bottles are placed there like this
00:22Then as soon as sunlight falls on the upper part of the bottle, the room below becomes completely illuminated due to reflection.
00:29And this solar bulb is used where there is a need to light a closed room without electricity.
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