A FAQ about the effect which permits to keep/trap magnets in air using rotating magnetic fields without resorting to equations and using familiar terms of physics is available.
https://drive.google.com/file/d/1m9GDsITBT5XspQi6Y0Ff7ks3xzA4ffGK/view <https://drive.google.com/file/d/1m9GDsITBT5XspQi6Y0Ff7ks3xzA4ffGK/view?usp=drivesdk> Hamdi
