[mcguire]

Ok, so how are these things stable?

https://duckduckgo.com/?q=floating+magnetic+globe&t=fpas&ia=...

Yes, the base is an electromagnet, but AFAIK the field is static when energized.

[dubya]

The field is not static when energized. The hanging ones are not too hard to make with a Hall effect sensor and an electromagnet. This is a good explanation:

https://www.kjmagnetics.com/blog.asp?p=electromagnetic-levit...

[mcguire]

Neat. Now I am impressed.