Return to article: How to Make a Potato Clock
on 2/19/2008 it doesn't work
on 1/15/2008 If you use a penny made before 1969, they are copper. Only pennies after this date have a zinc core.
on 1/15/2008 You can't use a penny because a penny is 97.5 zinc.
on 1/15/2008 Whatever source of power you use, to extend the life of the power source, once you see the power running out, replacing the nails with brand new ones will give you full power again (as long as there's moisture left in the lemons, potatoes, etc).
on 1/15/2008 Pancakes work just as well as a potato. In fact, if you used three pancakes, you could motorize an electric car.
on 1/15/2008 I think you can substitute a penny for the copper wire.
on 1/15/2008 Pickles do not work a clock like a potato does.
on 1/15/2008 it works w/ pickles too
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