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What materials do you need to make a potato light up a light bulb?

April 26, 2017light light bulb Materials potato

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What materials do you need to make a potato light up a light bulb?

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Dissimilar metals with very different electronegativities as electrodes (copper and zinc are two good choices), wiring to complete a circuit, a light bulb that does not take very much voltage to light, a potato, and something else to eat for lunch.