Yeast and sugar generator can power cellphones, but how does it work?
![](https://s.yimg.com/ny/api/res/1.2/iWLjhVRcvJ5HfUOAeoC0Lg--/YXBwaWQ9aGlnaGxhbmRlcjt3PTcwNTtoPTYyNQ--/https://s.yimg.com/uu/api/res/1.2/yehCCGfTuC0K5iUzLTGTtw--~B/aD0zOTA7dz00NDA7YXBwaWQ9eXRhY2h5b24-/https://www.blogcdn.com/www.engadget.com/media/2007/12/12-3-07cedrick_ngalande_invention.jpg)
This yeast-and-sugar powered generator invented by Dr. Cedrick Ngalande of Malawi can supposedly power cellphones, OLPCs, and medical devices for up to eight hours, but apart from a few vague guesses involving CO2, oscillating motion, and a couple Sharper Image desk toys we've got lying around, we're utterly at a loss to explain how it works. Ideas, leave 'em in comments!
[Via Afrigadget]