They didn't use macroscopic magnets to form the alternate pattern or the swirls, and they are stable. If you have a link to a YouTube Channel with a similar result, it would be nice to see it.
Also, do you have a link to the arxiv post of 2021? It's a lot of time. This article looks like studing how to "see" the pattern. Perhaps the old one was about the material and general properties.
Also, do you have a link to the arxiv post of 2021? It's a lot of time. This article looks like studing how to "see" the pattern. Perhaps the old one was about the material and general properties.