[–] mcguire 7y ago ↗ 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 7y ago ↗ 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 7y ago ↗ Neat. Now I am impressed.
[–] dubya 7y ago ↗ 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 7y ago ↗ Neat. Now I am impressed.
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[ 3.3 ms ] story [ 14.1 ms ] threadhttps://duckduckgo.com/?q=floating+magnetic+globe&t=fpas&ia=...
Yes, the base is an electromagnet, but AFAIK the field is static when energized.
https://www.kjmagnetics.com/blog.asp?p=electromagnetic-levit...