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Due to natural resources are becoming a lot more scarce and common methods of providing electrical power and heat are becoming much more costly quite a few people today are checking towards renewable sources of power. Almost certainly the first one that comes to mind for many people is usually solar power. Solar power is harnessing the power put off by the sun to provide an electrical supply and heat.

Our sun has always been the origin of all solar energy on the world. Energy provided by the sun has been used for many years now, both knowingly and unknowingly. One of the first occasions when solar power was utilized was back in the 1800's when people obtained warmth from the rays of the sun by making use of a box and used it to prepare food. Currently solar energy is chiefly produced through collecting and also focusing the rays of the sun to perform some kind of valuable work. Whether it is to heat water for home use or generate electricity to power lighting or appliances. Worldwide however, only a very small percentage of the total energy the earth receives from the sun is actually being harnessed . Much of this disparity in the amount of energy being harnessed can be attributed to the abundant supplies of fossil fuels which has made solar energy less attractive than those sources of energy

When harnessing solar energy from the sun, people use heat engines as well as photovoltaic devices. The two ways that these types of energy collection are labeled are active or passive. Photovoltaic devices which are also known as solar cells are utilized in many different applications. A number of recognizable applications are in digital watches and calculators along with roadsigns and satellite power supplies. Solar/Photovoltaic panels as well as other manufactured devices or classified as active technologies. Passive energy collection usually consist of using building materials that enhance and direct energy from the sun for various purposes. They include materials that allow dispersion of light as well as designs that make it possible for light to fill a room or an office.

Abundant solar energy can easily be used in a wide number of ways by people across the world. Of these, lighting is the most common application. Skylights and windows can be employed to decrease the amount of energy needed to power artificial lights. Heating water or utilizing a large thermal mass for area heating are a small number of other widespread solar energy uses. People sometimes utilize solar water heaters to heat up swimming pools. Well known solar harnessing systems include the use of solar panels to transform warmth from the sun into electricity. However, the use of solar energy is retarded by the fact that the rays from the sun only reach the the planet at particular times of the day and is based on location, season and weather. This means that people have to collect the all the energy that they require in the period when the sun's rays reach the earth.