Here's what's different from last time:
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it's more like "room temperature" than room temperature, the paper says 250K which is -23 C.
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it has already replicated, with two separate labs in China confirming the results.
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The chemical difference appears to be that this thing has sulphur where LK-99 did not.
For sure, there are limitless possibilities here and a whole bunch of tech that will be possible that nobody has even thought of yet.