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Why Quantum Entanglement Can’t Send Faster-Than-Light Messages

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Entanglement produces instant correlations but cannot carry faster-than-light messages, a limit formalized by the no-communication theorem. Its fragility under measurement makes it a powerful tool for eavesdropper-proof encryption instead.

From 'Is Entanglement the Key to a Theory of Quantum Gravity? with Sean Hodgman': https://youtu.be/bfFuHg0kurE?si=PFKxpIXbfySNxr2H

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