What does it mean that we live at the Plane of Inertia?

Everything is energy, not particles. That means our earth is a magnetic/dielectric energy field.

Specifically, magnetism is the field of the dielectric.

Basically—the compass always points to the magnetic north because of magnetism/dielectric.

It’s a magnet.

And magnets have one specific field shape: A Torus.

Video here with extra links for more details.