Story perspectives
Quantum Tunneling: Atoms Rarely Pass Through Barriers
8/26/2025
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Story summary
- Atoms are unable to pass through walls due to electrostatic repulsion and the Pauli exclusion principle.
- Electrons create a "probability cloud" around the nucleus, generating a negative charge that repels other atoms.
- Quantum tunneling enables particles to occasionally pass through barriers, but the likelihood for a person is nearly zero.
- Experts concur that while theoretically possible, the probability is extremely low.
