Linked from
The 15 pages that link to Magnetic levitation, each with the reason it gives.
Meissner effectRelated: Flux exclusion and pinning can stabilize levitation above a superconductor.
ElectromagnetRelated: Electromagnets can provide adjustable forces for levitation and stabilization.
Eddy currentRelated: Induced currents can produce repulsive forces used in some levitation systems.
MagnetostaticsRelated: Permanent magnets and steady electromagnets provide some levitation schemes.
WeberRelated: Its electromagnets are designed around controlled magnetic flux.
Magnetic systemsRelated: It demonstrates how field geometry can support and guide objects.