How scientists found that LK-99 is probably not a superconductor
a) An LK-99 sample synthesised by Guo, et al. (2023); b) X-ray spectroscopy of the sample indicated the presence of different elements; c) a partly levitating sample; d) a scanning-electron microscope image of the sample. | Photo Credit: arXiv:2308.03110v2 When we use a room heater on a cold day and cosy up with a cup…
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