This was a cool simple idea. Using revolving doors to generate electricity. I think it's very much like the creator suggests: "it's a duh idea". Meaning: Why didn't we think of this already! Good stuff!
Stay inspired!
Cheers,
Maurice
Voice One Oy
www.voiceone.fi
Showing posts with label energy. Show all posts
Showing posts with label energy. Show all posts
Sunday, February 28, 2010
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