RT Video/DVD DB /z-wcorg/ DS http://worldcat.org ID 693440474 LA English T1 The mechanical universe-- and beyond. Disc 2 [epi. 31-34] Disc 2 [epi. 31-34] A1 Goodstein, David L.,, California Institute of Technology., Corporation for Community College Television., Annenberg/CPB., PB California Institute of Technology, Corp. for Community College Television ; Distribution Access [distributor PP [Pasadena, Calif.]; [Toronto, Ont.] YR 1997 AB Episode 31 deals with electric potential and its gradients, the potentials of atoms and metals, electric energy, and why sparks jump. Episode 32 covers the shift away from electricity as a curiosity with the invention of the electric battery by Alessandro Volta. Episode 33 deals with the design and analysis of currents flowing in series and parallel circuits of resistors and capacitators. Covers the laws of Ohm and Kirchhoff and the contribution of Charles Wheatstone. Episode 34 deals with magnetism as a natural phenomenon, the behavior of magnetic materials, and the motion of charged particles in a magnetic field. Uses computer animation sequences, historical reenactments, and close-up photography of experiments.