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Physicists May Have Found a Hard Limit on The Performance of Large Quantum Computers
(www.sciencealert.com)
This is a most excellent place for technology news and articles.
It looks like this is the pre-print of the paper ("The Impact of Imperfect Timekeeping on Quantum Control") in the journal the article links: https://arxiv.org/abs/2301.10767
Possibly also relevant from some of the same researchers: Fundamental accuracy-resolution trade-off for timekeeping devices