Recording of Sharing Inspiration: Temperature, what it means and how we measure it

Temperature, what it means and how we measure it. History of the development of the concept of temperature, from Hippocrates to Fahrenheit and the modern day.

Publisher: T³ Europe

Editor: Ian Galloway

Author: Ian Galloway

Topic:  Fysik

Tags  Is ,  Miljö ,  Temperatur ,  Sharing Inspiration 2022

Almost nothing happens in the Universe without there being a difference of temperature between two places. This suggests that most energy changes are associated with a temperature difference.  Electric currents flow with associated Seebeck and Peltier effects.  Chemical reactions are associated with exothermal and endothermal changes. Thermal energy itself “flows” from hot to cold places. Heat engines would not work without a temperature difference.  Wind turbines require that temperature differences move masses of air. Hydroelectric dams require temperature differences to raise masses of water in the gravitational field.

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Sharing Inspiration 2022: Temperature, what it means and how we measure it.-20220524 1500-1


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