Electromagnetism is one of the four fundamental interactions of nature. The other three are the strong interaction, the weak interaction and gravitation. Electromagnetism is the force that causes the interaction between electrically charged particles; the areas in which this happens are called electromagnetic fields.
Supplemental catalog subcollection information: NASA Publication Collection; Astrophysics and Technical Documents; Instability of nonuniform rarefied plasma in intense magnetic field
Film/Fiche is presented as orginally captured.