How Many Oranges Does It Take to Power an iPhone? [Science]

[retroremakes]

We've all seen clocks (http://gizmodo.com/167288/liquid-power-digital-clock) running off foods like oranges and potatoes, but what kind of citrus power does it take to charge an iPhone? This ever-so-strange, ever-so-enchanting video reveals the answer. [Hacker News (http://news.ycombinator.com/news) via Geek (http://www.geek.com/articles/mobile/it-takes-2380-orange-slices-to-charge-an-iphone-20100211/)]


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