Learn about Energy Sources and Early Engines in this educational video from dizzo95.
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Female Speaker: The most important energy resources of our centuries are petroleum and the natural gas, besides muscle power wind and water with most common sources of energy, until the beginning of the industrial aid, which was marked by the development of the steam engine. The principle of the combustion engine, with internal combustion was not discovered until the first half of the 19 century. The ever increasing industrialization and the appearance of large industrial conventions, necessity the construction thermal power plants where coal and crude oil abundant to produce electricity since the 1950s nuclear power plans were built to satisfy the increasing demand for electricity. Today alternative sources of energy are increasing the explored particularly the generation of electricity from wind, and photovoltaic cells where some sunlight is directly converted in to electric power. This approach is a special interest in tropical and sub tropical countries, and contributes to the preservation of the limited fossil fuel resources.