Particles can teleport through solid barriers
Quantum tunneling enables particles to teleport through barriers, making nuclear fusion in the Sun and essential modern electronics like flash memory possible.
Quantum tunneling allows particles to literally disappear on one side of a barrier and reappear on the other, an "impossible" feat at larger scales. This phenomenon is crucial for life as we know it; without quantum tunneling, the Sun wouldn't shine because nuclear fusion couldn't occur. Particles need to tunnel through electromagnetic repulsion to fuse, a process classical physics deems impossible at the Sun's temperature.
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