Onion batteries: do they really work or simply end in tears?

By Jonathan Hare2008-03-01T00:00:00

Source: Adrianisen

On screen chemistry with Jonathan Hare

A recent YouTube clip claims that an iPod can be charged-up by using its charging cable, a few 100 ml of a sports energy drink and an onion. The clip has apparently attracted over five million hits. But is it possible?

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