Lilly and Fred

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Fred

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Lilly

Hey Fred, do you have an idea to solve the problem?
No, not yet. I just don't know where to start.
Maybe I can help you. Let's just do the experiment ourselves!


If you like, do the experiment for yourself. All you need is a candle and a metal spiral. You can build the spiral yourself using a copper wire and wrapping it around a pen.


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