2 ms·

Note that you can actually flip the magnetic field of certain "normal" magnetic materials: https://www.nature.com/articles/s41563-022-01354-7 https://www.nature

• olddustytrail 1y ago
  That's kind of what the article is talking about. You can do it in a ferromagnetic material (like in your link) but then you've got the problem that it's a magnet and screwing up everything around it. The idea here is that you can do it in something that is overall neutral.