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This research was discussed 4 months ago (534 votes, 307 comments): https://news.ycombinator.com/item?id=26656206

Based on a different paper? This was only published last month.

Substantially the same paper (just at a conference, not a journal). Same authors, title, diagrams, etc.

I guess it's the same group (lead by Professor Tajmar), but this is definitely a new paper.