Entanglement between superconducting qubits and a tardigrade

A tardigrade has become the first multicellular organism to be observed in a quantum entangled state, after scientists coupled the animal to a superconducting quantum bit (‘qubit’) and then entangled that combined system with another qubit. In the process of undergoing the experiment, the tardigrade also set a new record for survival under extreme conditions: it spent 420 hours at sub-10mK temperatures and pressure of 6 × 10−6 mbar.

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