N42 Neodymium Sphere Magnet - 10mm dia - 3.08lbs Pull
electromagnetism - How can there be ball magnets? - Physics Stack Exchange
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
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
Actuators | Free Full-Text | Design, 3D FEM Simulation and Prototyping of a Permanent Magnet Spherical Motor
A (simple) theory for cause of Earth radial expansion — Steemit
Earth's Magnetic Field (compass needles) - Science On a Sphere
Weird Science: Earth's Magnetic Field | manoa.hawaii.edu/ExploringOurFluidEarth
Magnetic sphere , magnet properties
Magnetism: Notes: Magnetized Sphere at the North Pole