Need a light?

This is a great idea, particularly for people who are unable to afford a window or a light globe!

Basically a plastic bottle is filled with water and added to that a drop of bleach. The bleach prevents green algae building up on the inside of the bottle.

The filled bottles are mounted in the roof of a building. The idea is that the when light hits the bottle of water the light refracts and it acts like a 50 watt light bulb.

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