How do GPS systems work?

descriptive essay sample

One of the most highly used systems of locating, the well-known GPS or Global Positioning System, is an advanced complex of modern satellites that orbit the Earth. The mechanism of the system operating includes constant transmission of signals sent by satellites to ground monitoring stations, which maintain GPS operations. Special GPS receivers detect all sent signals. Moreover, with such receivers, it is easy to calculate any requested location. This technology allows people going on long trips without any need to contact other people for a trip map since GPS system provides accurate location of every required place on the map.

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How Did Trains and Railroads Change Life in America?

research essay sample

The history of the human civilization knows numerous inventions that rapidly changed the life of an entire country, definite regions or world in whole. The history of the United States of America is rich in all sorts of events. One of the most important and decisive was the implementation of railroads. This innovation known as “train” became a real miracle for the time of its creation and has a huge impact on the life of the current U.S. society. These changes should be reviewed in greater details.

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Does Being a Vegetarian or Vegan Help the Environment?

being a vegetarian essay sample

Vegetarianism is today considered almost a synonym to the concept of “ecology.” Enthusiastic young men and girls talk about how they seriously and significantly “help” the nature by giving up on eating meat products. In other words, being a vegetarian (vegan) is a fashionable, stylish and environment-oriented approach today. However, vegetarianism brings hardly any value to the environment since it leads to the extensive nature destruction, development of dangerous genetically modified food, and far-reaching animal death all over the world.

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Sample College Essay: Did Anybody Ever Escape Alcatraz?

college essay sample

Have you ever heard about Alcatraz? It is one of the most well-known jails for military and exceptionally dangerous prisoners. The quod is located on the island, washed by the cold waters with high streams of the bay. Being reliably protected from all attempts to escape, the jail is also notorious for extremely harsh rules and living conditions for prisoners. However, did anybody ever run away from Alcatraz? Were these attempts successful? What happened to fugitives? There are plenty of questions that still remain to be answered.

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