Gregory's Server@skobkin usually electromagnets using thin wire wth many turns
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6 comments
 @skobkin very doable without much advanced EE... but still a tehcnical challenge. Sure, would be fun.  @freemo @skobkin being done with a small ball: https://incoherency.co.uk/blog/stories/electromagnet-grid.html @freemo |
@freemo Yeah, it's more efficient, but minimally sufficient thickness of the wire is still a thing to determine. Also a subject for modeling and calculation...
All this sounds like a very interesting engineering project.