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  • LieslW1 commented on liwanag's instructable How to build a SOLAR BOTTLE BULB5 months ago
    How to build a SOLAR BOTTLE BULB

    How do they make this thing work at night though? In the video I saw at literoflight.org the people have a tube like thing in the bottle with something giving off the light, and there has to be something retaining the energy during the day. This would be a great science fair project! Anybody know how to do this? There is more to it than just the bottle, water, bleach, holes, rivets and sealants. They are using these at night.

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