terça-feira, 14 de abril de 2009

Revolutionary light

This is really amazing!
The designers Jia Peng, Cheng Peng, and Wang Dong Dong developed an eco-friendly lighting instrument, the Bottle Light
woowww, how does it work?
the instrument just need an empty plastic bottle and compress the air in the bottle repeatedly so that the piston of the bottle light will move up and down.

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