Example image of eyePlorer eyePlorer map for 'Thermopile': Electric potential energy Series and parallel circuits Thermocouple Temperature Voltage Infrared thermometer Heat flux sensor Pyrheliometer Radioisotope thermoelectric generator Pyrgeometer Leopoldo Nobili Actinometer Infrared detector Thomas Johann Seebeck Pyranometer Electricity generation Gardon gauge Solar variation Electronic component Thermoelectric effect Joseph Henry John Tyndall Measuring instrument Thermostat Infrared