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Beijing Superconductor (LK-99) Levitation Video Author Admits Fraud, Takes it Down
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this post was submitted on 09 Aug 2023
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What I've gathered from many of the discussions around this topic is that the levitation is a notable feature of superconductors due to th Meissner(?) Effect. So if it couldnt levitate, there would be no reason to suspect that it is a superconductor. Because it does levitate, superconductivity is one of a few possibilities.
There have been indicators it may be a semiconductor instead, but apparently the conditions to accurately produce the material are vague/not fully understood - so attempts at reproduction have failed to rule it in or out 100%