Applying the Principles of Quantum Entanglement to Secure Communication

Have you seen the Jackie Chan movie “Twin Dragons” or its remake, “Judwa,” with Bollywood star Salman Khan? The story is about twin brothers who are entangled with one another despite having been separated at birth. The entanglement causes each brother to feel and experience the actions and sensations of the other, and the quality of the connection diminishes with increasing distance.

This connection is quite similar to Albert Einstein’s theory of quantum entanglement. In simple terms, here’s how it works: Two quantum particles (atoms, photons or ions) become correlated with each other, meaning that if one particle changes its state, the entangled particle will undergo the same change. Therefore, by measuring one particle, you can also determine the state of the other.

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