Question: What is the theory of quantum tunneling ?

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  1. Imagine you have a ball bearing rolling back and forth in a bowl. If it doesn’t have enough speed at the bottom, it can’t get over the lip of the bowl and escape. Ie below a certain energy, the ball is trapped in the bowl

    The theory of quantum mechanics says that for microscopic particles, this is no longer true. Even if the particle doesn’t have enough energy to escape, there is a small probability that it can escape. This is called quantum tunneling.

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