Summary: Energy : Resources, Technologies And The Environment | 9781849191524 | Christian Ngô, et al
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Read the summary and the most important questions on Energy : resources, technologies and the environment | 9781849191524 | Christian Ngô ; preface by Bernard Bigot ; translated from French by Jeremy Hamand.
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1 Basic concepts
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Who has energy influenced?
The Development of civilication, in particular when electricity was discovered. -
What is major influence did energy have on humans in the past?
The Development of civilization, in particular when electricity has been discoverd -
What future energy problems are humans facing?
The need of energy by humans is growing exponantially, althou we are meeting the limits of the headlong rush of growth. The problem is how to make further progress without consuming more energy. -
1.1 What is energy?
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What is an organized form of energy on a microcopic level?
Heat -
How many percent of the worlds energy consumption comes from renewable sources?
0.5% (2006) -
1.1.1 Units
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How many Joules (J) is one What (Wh)
3600 J = 1 Wh -
How many Joules is one Cal?
4.18 J -
1.1.2 Equivalences
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How efficient is a nucliar power plant?
33% (meaning that the output is 33% of the energy in the source) -
1.2 Energy and development
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When did people discover fire?
500.000 years ago. -
How many people lived on the planet when Jesus was 1
250 Million
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