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The Session 1 introduces the physical definition of energy, the essential role of energy in our life, society and industrialized economy illustrated by the worldwide Energy Mix since 1800.
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Human activities do not "produce" nor "consume" energy.
Human activities convert energy from one form to another.
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There is a very strong correlation between the GDP and the quantity of energy input in the economy.
How much energy does it take to toast a slice of bread? Human body ability to generate energy is very small compared to our daily 'consumption': how many Roberts do you need ?
Massive economic gains were enabled thanks to the quantity of energy mobilized by machines vs. human work and their low-cost compared to human cost.
"Energetic slaves" is a provocative concept developed by Jean-Marc Jancovici illustrating them well: the individual average energy consumption in rich countries is such that it would require several hundred energetic slaves, had it been produced by human beings.
The 3 major engines are: steam, electric and internal combustion.
Discover how these engines work in motion!
The Session 1 alternates many formats to create a dynamic and interactive course for the students: quiz, video and lectures.