Physics: The First Science

By Peter Lindenfeld; Suzanne White Brahmia | Go to book overview

CHAPTER 14
Energy in Civilization
The flow of energyElectric energy: what is it and what does it do for us?DC and AC: transformer and generatorEnergy storage
Batteries
Supercapacitors
Hydrogen
Fuel cells
Entropy and the second law of thermodynamics: the limits of energy
transformation
Thermal energy
The second law of thermodynamics
Entropy
Our addiction to fossil fuels
Availability
The greenhouse effect
The rate of energy increase
Other sources of energy
Nuclear energy
Fusion
Solar energy
Wind
Biomass
Energy from rivers, oceans, and the earth
The sustainability transition

Energy fuels our civilization. We use it to heat our homes and our food. As
mechanical energy it turns the motors in our industries and households. It is
necessary for transportation and communication.

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