The Frauchiger-Renner Paradox

“The new experiment shows that, in a quantum world, two people can end up disagreeing about a seemingly irrefutable result, such as the outcome of a coin toss, suggesting something is amiss with the assumptions we make about quantum reality.”

— From the Quanta article by Anil Ananthaswamy

As above, so below.

As we face the deadly onslaught of electron-microscopy-sized agents, remember to wash your hands for twenty seconds, follow physical distancing rules of six feet or more, and please be safe.

Further Reading:

https://www.quantamagazine.org/frauchiger-renner-paradox-clarifies-where-our-views-of-reality-go-wrong-20181203/

https://algassert.com/post/1904

https://arxiv.org/abs/2002.01456

https://www.scientificamerican.com/article/reimagining-of-schroedingers-cat-breaks-quantum-mechanics-mdash-and-stumps-physicists1/

https://en.wikipedia.org/wiki/Wigner%27s_friend

https://equivalentexchange.blog/2013/01/11/schrodingers-cat/

[*11.12]

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