Well, it's not like they're stuck together or anything... or is it?
Actually, it's because of some fancy quantum mechanics stuff, involving wave functions and Schrödinger's equation. Don't worry about it, just remember: entanglement is like a particle party, where everyone's connected in a weird way.
q1c. Can entanglement be used for quantum teleportation?
q1d. What's the deal with entanglement and Bell's theorem?
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