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Electricity is one of our most faithful servants. It gives us light. It starts our cars. It cooks and refrigerate our food. It is unlimited used in aviation and entertainment, at the sea and in the space. These represent few of innumerable applications of electricity.

Electricity at work. But, what is electricity and where does it come from? To answer this question, let's look in on the world of electrons.
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Timeline:

00:36 What is electricity?
00:48 Where electricity comes from?
00:56 The Structure of Matter (Basic Concept)
01:44 An Atom
02:50 Electrons and Nucleus
03:16 Nature's Low of Balance
03:43 Electric Charge
04:31 Neutral Charge
05:06 Atoms. Positively and Negatively Charged
05:28 Motion of Electrons
05:47 Unbalanced Charges
05:58 A Simple Source of Electric Energy
07:22 Flow of Current
07:35 Three factors
07:49 Pressure or Voltage
08:54 Difference of Potential
08:34 Voltage
08:57 Electric Current
09:09 Movement of Electrons
09:39 Ampere
10:22 Resistance of Metals
10:57 Copper
11:22 Insulators
11:40 Heat Radiation
11:56 The Unit of Resistance
12:15 Relation of Three Factors
12:38 Application of Electricity
13:08 Electromagnetic Generator
13:15 Magnets
13:41 The Earth as a Magnet
14:07 Magnetic Domain
14:50 Magnetic Field
15:05 Mister Electron
15:38 Conductors and Free Electrons
15:45 Generation of Electricity
16:36 Electromagnetic Force
18:01 Summary
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A General Electric Picture
Produced by Raphael S. Wolff Studios
Hollywood

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