Imanes y plasticos [videorecording].
[Barcelona] : Planeta, 2003.
1 videodisc (57 min.) : sd., col. with b&w sequences ; 4 3/4 in.
Aplicaciones de los imanes: From electric guitars to deep-space exploration, this documentary takes a fascinating look at the pervasive and powerful magnet, showing how it serves to underpin a vast range of the devices and technologies that we take for granted in the modern world. Experts like physics professor James Brooks and Jack Crow, the director of the National High Magnetic Filed Laboratory, explain the principles behind magnets' unique properties, and detail how they are used in TVs, vacuums, computers and telephones.
Revolucion del plastico: Program examines the impact of plastics on modern life. Topics covered include: the invention and proliferation of plastics, improvements bought about by Bakelite, development of plastic-based fabrics such as Nylon, the use of plastics by the military, plastic products for the home, and plastics in medicine.