The Sun and Cloud camera is a curious concept. It can be powered charged by solar cells or by cranking a retractable handle, giving it enough juice to function without needing to plug it in and charge a battery. An idea like that sounds like it could be perfect to keep in your emergency kit, for when you need to record the world around you but the power's out.
But the Sun and Cloud isn't an emergency camera. This $200 hand-cranked gadget comes from Japanese company Superheadz, who are best known for their toy and plastic cameras….
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via Imaging Resource News Page http://www.imaging-resource.com/news/2013/03/22/sun-and-cloud-digital-camera-is-powered-by-solar-and-crank-energy
The power of plants 