Solar Energy
Ever since the dawn of time, the sun has been a resource we cannot live or do without, so its not such a shock that man has come up with the idea of solar energy. Solar energy had many uses. Some can be dangerous andsome, a very valuable asset to the modern world. Solar energy is energy derived from the sun in a form of ultra-violet rays. Its was first applied to use in 212 B.C., by the Greek genius Archimedes. Solarenergy was used to defend the habor of Syracuse against the Roman fleet. Archimedes used a mirror or "burning mirror" as they had called it, to set fire tothe ships of the Roman fleets while standing on shore (McDaniels 83). It wasn'tuntil 1615 when Salomon de Caux constructed the first solar device; a solarengine. His device was made of glass lenses, supporting frame, and an airtightmetal vessel containing water and air. This produced a small water fountain whenthe air heated up during operation. This was considered to be more of a toy thana device, but it was the first published account of the use of solar energy since thefall of the Roman Empire (Cheremisinoff 1). Some other use of solar energy after that was the solar ro
While there, he noticed that many people were living in rusty, sheet metal shacks,which were hot in the day and cold at night. UV rays were first discovered by astronomers in the 1960's. Then over the years, Hay and a man named John Yellott constructed a 3- by 3. Martin's Press, Inc: New Yrok, 1986. This means that the light produced is orderly, with all the excited atoms makingup the laser beam that is emitting their flashes in unison. Developed by Augustin Mouchot in Franceand by John Ericsson in the United States in the nineteenth century. The best part aboutsolar energy is that it is free. During the winter, the movable insulation wasrolled back in the daytime which allowed for it to collect heat. The laser often consistof polished ruby rod that has a solid mirror at one end, and a high voltage flashtube wound around the rod. It can bedangerous because too much rays can cause you to sun burn, tan, damages yourhair, and at the worst; skin cancer. Who knows, maybe one day,everyone will agree on using solar energy. (McPhillips 86-89) There was also the solar oven.
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Acceptance Essays
