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Solar Energy one of many renewable energy sourcesenergy that is continually replenished such as wind water and sunlight Solar energy is a renewable energy that is based only on heat and sunlight Technology helps store this energy to allow the people to fulfill their household needs such as heating air conditioning and electricity While solar energy seems like an easy costless process there are some obstacles that face scientists when it comes to implementing this process Nowadays most energy in buildings and factories is run by oil which harms the environment and all living organisms This paper discusses how solar energy works its advantages and its disadvantages The literal meaning to solar energy is energy pertainingtothesun The two kinds of solar energy technologies are active solar and passive solar Active solar Picture 1 converts solar energy by the sun to other forms of energy such as heat and electrical energy it has collectors that consist of flat-plate PV panels and air or liquid conductors A great example of active solar technology is solar photovoltaic electricity which using solar cells converts solar energy to electric current for different purposes like powering wristwatches calculators and road signs On the other hand passive solar picture 2 absorbs the sunlight and conducts the heat directly to the walls and floors of the building it is designed to absorb sunlight in the winter and to reject it in summer An example can be as simple as a house with glass walls and heat absorbing floors which will keep the house warm even through the night A breakthrough application to solar energy is solar air conditioning where the suns heat is used to keep buildings cool Active photovoltaic air conditioning is a lot more efficient and effective than passive air conditioning as passive air conditioning only slows the heat transfer into a building Active solar air conditioning is the most implemented solar cooling technology for residence it works like regular air
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