Georgia State University
Georgia State University: Hyper Physics: Fundamental Forces
Explains what each of the four fundamental forces is and their interactions with the physical world. The four types are the strong force, the weak force, the electromagnetic force, and the gravitational force.
Annenberg Foundation
Annenberg Learner: Physics: Early Unification for Electromagnetism
Discusses the connection between electricity and magnetism and the early work of Michael Faraday and James Clerk Maxwell. Electromagnetic interactions were first described by Maxwell. Continues on with a discussion of quantum physics and...
Other
Wiki Lectures: Interactions of Electromagnetic Fields With Living Matter
Discusses the effects that exposure to electromagnetic fields have on living tissues and matter.