A long-underexplored test of particle-physics theory has been revived. This method uses quantum entanglement to infer the presence of undetectable particles.
02 September 2026
A long-underexplored test of particle-physics theory has been revived. This method uses quantum entanglement to infer the presence of undetectable particles.
By
Matt Kenzie
Matt Kenzie is in the Department of Physics, University of Cambridge, Cambridge CB3 0US, UK.
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