Quantum Tunneling Theory is a branch of Wavefunction that defies the fundamental rules of classical physics.
Here, particles can pass through solid walls without getting their pants dirty.
It's like a cosmic game of 'Dodgeball' where particles are the balls and gravity is just a suggestion.
But don't just take our word for it, read the Quantum Tunneling Theory primer.
Or, if you're feeling adventurous, try Quantum Tunneling Experiments!