Category: magnetism...

composing magnetic poetry on the refrigerator
The electromagnetic field around all objects and living things is called an aura. You can learn to see auras and their colors can reveal a person's inner nature, intentions, and moods.
the motion of electric charges
elementary particles, such as the electron, having spin
Everything lives, moves, everything corresponds; the magnetic rays, emanating either from myself or from others, cross the limitless chain of created things unimpeded; it is a transparent network that covers the world, and its slender threads communicate themselves by degrees to the planets and stars. (G. De Nerval)
I believe that there is a subtle magnetism in Nature, which, if we unconsciously yield to it, will direct us aright. (H.D. Thoreau)
the center of the earth, thought to act as a powerful magnet