Electricity is an extremely important form of energy. It is in demand all over the world, and places with a plentiful supply of resources resources to produce electricity are considered lucky. Where is is not plentiful, people are often willing to pay high social, environmental, and economic costs to make it available. Electricity is so important in modern societies that in the recent history of our society, and today in many countries around the world, it is a symbol of progress and growth.

Electricity is versatile

One of the characteristics of electricity that makes it so useful is its versatility. Directly, or indirectly, people can use it to provide light, heat, moving force and electronic signals.

Electricity is almost the sole source of light in modern homes, buildings, and public areas. It is used to provide heat in many buildings, as well as heat for industrial processes. It drives motors, which can range from the tiny ones that focus automatic cameras to massive ones that crush stone and grind logs into pulp.

Electricity is also the source of the electronic signals that are more and more widely used as the source of modern communications technologies, such as radio, television, telephone, and the computer.