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Solar power has been used for hundreds of years in various forms and over time it has matured into a very economical type of energy for generating electricity and heating your home. The history of solar power has been one among innovation and adaptation and began back in ancient times. The Greeks understood the facility that the sun may offer and truly designed their homes to own massive openings that faced the sun. These were later coated with glass or mica to enhance the heating impact of the sun. This natural type of heating, which we tend to discuss with as passive solar nowadays, allowed them to burn less wood for the heating of their homes. This kind of passive solar heating is still being employed nowadays and may be a basic design criteria of any energy efficient home. These homes are designed with giant windows facing south to capture heat from the sun. This concept is taken even further in modern designs that currently use special heat-retaining materials on the walls and floors of those homes to magnify this passive heating effect. These materials can absorb a ton of of the sun's heat during the day and unharness it slowly during the colder evenings to stay the home at a continuing temperature. This helps to extend the efficiency of this passive solar heating and permits homes that take advantage of this to want less typical heating. Another major discovery in the history of solar power was the photovoltaic effect. This occurred around 1839 and it took more than 40 years for the primary solar cells to be created primarily based on this phenomenon. These early solar cells had an efficiency of but two% but showed that business application of the PV result was possible. Over the history of solar power this potency continues to boost as this PV technology matures. Trendy solar panels have efficiencies of shut to 15% and provide a nice approach for several householders to come back up with free power from the sun. This same solar panel technology is being used commercially by giant utility companies to assist them generate power for his or her customers. Early applications of the PV result were conjointly used for electrical generation on satellites and different area vehicles. Solar panels provided all the power these satellites needed to control in house while not the need to carry volatile fuels or heavy batteries. Additional development in the history of solar power happened within the 1970's when less costly ways of manufacturing solar cells from silicon cut the value of solar production dramatically. This new process made solar power solutions doable for the plenty and enabled the current boom in residential solar power systems. Another branch in the history of solar power is based on solar heating for residential water systems. This started during the late 1890?s and was first used commercially concerning 10 years later. This technology continued to enhance over the years and is accessible these days for each business and residential applications. There's even a version of this solar thermal heating that can be used to heat the water in swimming pools and has been installed in locations the world over.
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