Quantum Computing

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

An analogy of dice, like these being thrown here, has been used to explain quantum entanglement.

'Understanding and harnessing entanglement is key to creating many cutting-edge technologies.' Image: UNSPLASH/Guillermo Velarde

Nicholas Bornman
Ph.D. student, University of the Witwatersrand
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Quantum Computing

a diagram explaining what quantum entanglement is
Two particles in quantum mechanics are said to be entangled when the particles are connected in such a way that they are not independent of one another. Image: Streltsov, et al.
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