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February 8, 2008

Electric producing revolving doors

What a great idea this is, you look at a normal revolving door and by adding some fairly simple turbine type workings, and all of sudden you have a human powered electric producing machine.

humanpower

After the initial cost then every time somebody enters the building they are producing free electricity for the building, which will cut the operating costs of the running of such a large place.

Source [Eco Friend]

Filed by David Allen at February 8th, 2008 on 10:00 am under Alternative Energy, Batteries, Eco Friendly, Electronics, Office | No comments

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