![Magnetic Field Model for Permanent Magnet Spherical Motor With Double Polyhedron Structure | Semantic Scholar Magnetic Field Model for Permanent Magnet Spherical Motor With Double Polyhedron Structure | Semantic Scholar](https://d3i71xaburhd42.cloudfront.net/61b1c18eee840f05480300669a6cf556dcd34271/2-Figure1-1.png)
Magnetic Field Model for Permanent Magnet Spherical Motor With Double Polyhedron Structure | Semantic Scholar
![The metal sphere hangs by at tread. when the north pole of the magnet is brought near, the sphere is strongly attached to the magnet. The magnet is reversed, and its south The metal sphere hangs by at tread. when the north pole of the magnet is brought near, the sphere is strongly attached to the magnet. The magnet is reversed, and its south](https://homework.study.com/cimages/multimages/16/vectors8562719693048938065.png)
The metal sphere hangs by at tread. when the north pole of the magnet is brought near, the sphere is strongly attached to the magnet. The magnet is reversed, and its south
![Amazon.com: CMS MAGNETICS Magnet Gadget and Widgets 6 Pieces of Dia 1.26" Black Sphere Magnets, Magnetic Balls (1.26" Sphere Magnets) Amazon.com: CMS MAGNETICS Magnet Gadget and Widgets 6 Pieces of Dia 1.26" Black Sphere Magnets, Magnetic Balls (1.26" Sphere Magnets)](https://m.media-amazon.com/images/I/61XHSH8hyJL.jpg)
Amazon.com: CMS MAGNETICS Magnet Gadget and Widgets 6 Pieces of Dia 1.26" Black Sphere Magnets, Magnetic Balls (1.26" Sphere Magnets)
Is it possible to have a spherical magnet with the pole at the center so that two such magnets with reverse polarity will always attract even when rolled? Kind of like a
![An Orientation Measurement Method Based on Hall-effect Sensors for Permanent Magnet Spherical Actuators with 3D Magnet Array | Scientific Reports An Orientation Measurement Method Based on Hall-effect Sensors for Permanent Magnet Spherical Actuators with 3D Magnet Array | Scientific Reports](https://media.springernature.com/m685/springer-static/image/art%3A10.1038%2Fsrep06756/MediaObjects/41598_2014_Article_BFsrep06756_Fig3_HTML.jpg)