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What Is Solar Energy? Solar energy is radiant energy that is produced by the sun. Every day the sun radiates, or sends out, an enormous amount of energy. The sun radiates more energy in one second than people have used since the beginning of time! Where does the energy come from that constantly radiates from the sun? It comes from within the sun itself. Like other stars, the sun is a big ball of gases mostly hydrogen and helium atoms. The hydrogen atoms in the sun's core combine to form helium and generate energy in a process called nuclear fusion. More.. History of Solar Energy People have harnessed solar energy for centuries. As early as the 7th century B.C., people used simple magnifying glasses to concentrate the light of the sun into beams so hot they would cause wood to catch fire. More than 100 years ago in France, a scientist used heat from a solar collector to make steam to drive a steam engine. In the beginning of this century, scientists and engineers began researching ways to use solar energy in earnest. One important development was a remarkably efficient solar boiler invented by Charles Greeley Abbott, an American astrophysicist, in 1936 More.. Photovoltaic cells A solar cell (or a "photovoltaic" cell) is a device that converts photons from the sun (solar light) into electricity. In general, a solar cell that includes both solar and non solar sources of light (such as photons from incandescent bulbs) is termed a photovoltaic cell. Fundamentally, More.. Progress In Solar Technology A commonly known fact about solar energy is that the collection is not terribly efficient, only able to collect about 10% of the energy they are subjected to; today solar cells or photovoltaic cells are able to collect more like 20% of the energy they are subjected to. Another fact about solar energy is that the cells are only able to collect the energy for electricity in full or part; the sun, clouds, mist, and fog will limit or diminish the solar cell's ability to absorb solar energy. More.. |
"Solar Power Versus Generator – The Choice:" The initial cost of a solar power system will be greater than that of a generator system. This is often the reason people install a generator rather than choose solar power. One must look beyond the initial cost, however, to get the full comparison of solar power versus generator. * Solar power, once installed, has little maintenance or further expense. There is no fuel to purchase, since the sun's energy fuels the system. More.. The Importance Of Solar Energy Advantages There are many ways that solar energy advantages can work for you. First of all, the easiest way for you to take advantage of solar energy advantages is to install solar panels on your home. You can easily install these on your roof or put them in when you build a new house. More.. "Solar Power Home Tips" The solar power home benefits are: * Solar power is actually cheaper. * Its a fact Solar panels actually work better in winter, because of the huge temperature change in the weather. * It does not need to be sunny outside for solar power to work efficiently, because solar panels use the changes in temperature in order to create electricity. More.. Solar Power – Fun Facts" Fun facts about solar power are popular at any age. People want serious information about solar power, but sometimes, even the serious can be expressed in fun facts. Fun facts on solar power include things such as the fact that, in a single hour, enough sunlight reaches the earth's surface to meet the entire world's energy needs for a full year. Imagine! That information comes from the American Solar Energy Society. More..
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