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  • RESEARCH HIGHLIGHT

Quantum weirdness gives radar a boost

Entangled photons can be used to make quantum radar that delivers a target’s location.
Entangled photons.

An alternative approach to harnessing entangled photons (artist’s impression) could help to provide a highly accurate form of radar. Credit: LAGUNA DESIGN/SPL

The precision and efficiency of radar might be improved by harnessing quantum entanglement, the uncanny ability of particles to share a common quantum property — such as their orientation in space — even at a distance.

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Nature 582, 11 (2020)

doi: https://doi.org/10.1038/d41586-020-01588-y

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