Make a Photon Flower That Lights Up When You Water It With Lemon Juice

Have you ever made a battery out of a lemon? If you poke a copper wire into a lemon and poke a zinc-coated nail in next to it, you can measure with a voltmeter that the lemon produces between 0.5 and 1 volt. The copper is the “cathode”, or positive end of the battery, the zinc is the “anode”, or negative end, and the lemon juice is the “electrolyte”. This instructable shows you how to make an artificial flower in which each petal of the flower is like a lemon bat…

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