Thermoelectric Generator Demonstrator is an amazingly simple demonstration to learn about relatively complex thermoelectric concepts such as the Seeback effect, Peltier effect, and Thomson effect.
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Place each aluminum leg into a plastic cup with water. If the water temperature is the same, nothing happens. But, what happens if the water is hot on one side and cold on the other? The fan starts to spin! If you connect the apparatus to a battery or DC power source, the effect is reversed—one cup of water is heated, while the other is cooled. Amazingly simple demonstration to learn about relatively complex thermoelectric concepts such as the Seeback effect, Peltier effect, and Thomson effect. Thermoelectric energy is used by NASA for maintenance-free operation of deep space probes, in wristwatches to convert body heat to power, and in our everyday refrigerators. Thermoelectric generators may have a very important impact as energy recyclers to harvest wasted heat energy from power plants. An affordable must-have for the physics classroom! 2" L x 1½" W x 9" H.