Tag Archives: Photons

Quantum entanglement: what it is, and why physicists want to harness it

Two particles are said to be entangled when one cannot be perfectly described without information about the other being included. Shutterstock/ezphoto Nicholas Bornman, University of the Witwatersrand “Quantum entanglement” is one of several plot devices that crops up in modern sci-fi movies. Fans of the Marvel superhero movies, for instance, will be familiar with the idea of different time lines …

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