The Power of the Sun: An Overview of Solar Energy
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Introduction
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As the demand for energy continues to grow with the increasing number of cars on the road, planes in the air, and homes requiring electricity, it’s becoming increasingly clear that our current resources are finite and will likely be depleted by the end of this century. This is why it’s critical that we explore alternative sources of energy, and solar energy stands out as a promising option for the future.
The Basics of Solar Energy
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Solar energy is the process of harnessing the sun’s energy to generate power. The sheer power of the sun is evident in its ability to scorch the earth’s surface and give us sunburn, and it’s been utilized by humans for thousands of years, with the Greeks and Chinese using it to start fires. In 1883, Charles Fritts made the first solar cell.
Applications of Solar Energy
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Solar energy can be used in a variety of ways, including heating homes, providing warm water, and generating electricity. To heat a home using solar energy, large windows and shades can be installed to control the amount of sunlight entering the home and to retain the heat absorbed during the day. Solar energy can also be used to heat water by passing it through flat panels called collectors.
When it comes to generating electricity, solar cells are installed on the roof to capture as much sunlight as possible, which is then converted into electricity. To overcome the limitation of solar energy only generating power during the day, auxiliary systems, such as batteries, can be used to store the energy and provide power during the evening or during brownouts.
Advances in Solar Energy Technology
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Advances in technology have allowed solar energy to be used in a variety of innovative ways, including powering satellites in orbit (as used by NASA), providing power for aircraft to fly across oceans, and even powering cars to travel at speeds of up to 40 miles per hour. Solar energy can also be used to power lighthouses for seafarers and airports in remote locations.
The Benefits of Solar Energy
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Solar energy is a safe and environmentally friendly alternative to traditional energy sources such as coal and nuclear energy, as it doesn’t emit harmful gases or chemicals into the air. It’s also a renewable resource that has yet to be fully utilized, making it a viable option for future generations.
Conclusion
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While solar energy is just one of many options for reducing our dependence on oil and other non-renewable resources, it’s a promising one that should be considered as we look to the future. By exploring and utilizing alternative sources of energy, we can work towards a more sustainable and environmentally friendly future for generations to come.
