I think you're referring to this, from 2017: https://www.sciencealert.com/the-world-s-only-metallic-hydrogen-sample-has-disappeared Whereas I am referring to this, from June 2019: https://www.sciencealert.com/french-scientists-believe-they-have-created-metallic-hydrogen https://arxiv.org/ftp/arxiv/papers/1906/1906.05634.pdf In which it states: Note how all their observations that they used to convince people that the hydrogen had in fact become metallic reversed w
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