I Large scale entanglement experiment

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Given below is the research paper and a related video to understand the phenomenon. This experiment is a proof of large scale quantum entanglement can be possible now.
This is the paper and here is the video. As far as I know, this is an entanglement related experiment done so far in such a large scale. I want to know whether entanglement related experiment has been done so far on a larger scale and what can be the possible use of such phenomenons.
 
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Entanglement experiments with Josephson junctions have been done for some time now; those are larger, IIRC, than the drumheads in this experiment.

The interesting part of this experiment is that the degrees of freedom being entangled are mechanical.
 
PeterDonis said:
Entanglement experiments with Josephson junctions have been done for some time now; those are larger, IIRC, than the drumheads in this experiment.
Kindly share links here.
 
I am now interested in practical applications about such phenomenon.
 
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Insights auto threads is broken atm, so I'm manually creating these for new Insight articles. Towards the end of the first lecture for the Qiskit Global Summer School 2025, Foundations of Quantum Mechanics, Olivia Lanes (Global Lead, Content and Education IBM) stated... Source: https://www.physicsforums.com/insights/quantum-entanglement-is-a-kinematic-fact-not-a-dynamical-effect/ by @RUTA
This is still a great mystery, Einstein called it ""spooky action at a distance" But science and mathematics are full of concepts which at first cause great bafflement but in due course are just accepted. In the case of Quantum Mechanics this gave rise to the saying "Shut up and calculate". In other words, don't try to "understand it" just accept that the mathematics works. The square root of minus one is another example - it does not exist and yet electrical engineers use it to do...
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