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: American Libraries Collection; Historical Literature
Supplemental catalog subcollection information: American Libraries Collection; Historical Literature; Issued also as Senate document no. 97, 28th Congress, 2d session. Document no. at head of each page of text Publisher's lettering: Magnetic and meteorolo
Australian ballot
Supplemental catalog subcollection information: American Libraries Collection; American University Library Collection