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Small-Scale Question Sunday for July 23, 2023

Do you have a dumb question that you're kind of embarrassed to ask in the main thread? Is there something you're just not sure about?

This is your opportunity to ask questions. No question too simple or too silly.

Culture war topics are accepted, and proposals for a better intro post are appreciated.

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A claimed Chinese replication including superconductivity... to 110K. Not outside of the realm of other past ambient-temp high-temperature superconductors (though higher than YBCO). This could plausibly represent manufacturing faults lowering max temp, or measurement faults giving false reads of superconductivity

If true. Also starting to see more jokes or grifts.