+**Tunneling** describes the quantum mechanical phenomenon where a particle can pass through a potential energy barrier, despite not having enough energy to classically overcome it. It's akin to a ghost walking through a wall, a probabilistic journey governed by [Quantum Mechanics](/wiki/Quantum_Mechanics). This strange effect is fundamental to many processes, from [Radioactive Decay](/wiki/Radioactive_Decay) to the sun's fusion.
+## See also
+- [Wave Function](/wiki/Wave_Function)
+- [Electron](/wiki/Electron)
+- [Probability](/wiki/Probability)
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