Technical review of different apparatus that utilize temperature gradients to generate usable energy or electricity. Includes pictures and drawings.

Manufacturers of power generating modules, systems and materials. Includes technical specifications and scientific publications.

Comprehensive information source about the technology and its applications from the Jet Propulsion Laboratory (JPL) of the California Institute of Technology (CALTECH). Includes history, scientific background, and device overview with animated illustrations.

Manufacturer of modules for solid-state cooling and electric power generation. Includes comprehensive technical information and FAQ about the technology.

Free encyclopedia article covers the effects and applications. Addresses Peltier-Seebeck effect, thermionic emission and magnetohydrodynamics.