Media Effect
Media EffectI. Introduction Media nowadays is considered a window for learning and is also considered to be our main window to the world. Media has evolved from simple text in papers, to voices in radios, to voices with pictures in television and movies, to the very broad and information packed Internet. But as we all know, media has changed and evolved since then. Media then was primarily used to deliver news across the town and to beef up the people with the information they need for their everyday life. Then, newspaper was the only form of media until radio came into the picture. When radio came it became the most popular form of media. Then when television was born, it replaced radios and people turn to television for sources of information. But before the end of the millennium, Internet was born. Internet is now the most popular form of media not only to youngsters but also to adults because of its diversity and usefulness. As kinds of media evolve, contents also evolve. From recorded news to live news via a satellite. From simple text to attractive graphics. From variety shows to teen oriented programs. Media has changed a lot since it started. II. Kinds of Media Television The fossils found in American garbage dumps clearly show the evolution of the radio into the television set. Layers of fossil garbage from the WWI era (10 million years ago) contain fragments of radios that use vacuum tubes. The first televisions appear in the WWII layer (8 million years ago) that lies immediately above the WWI layer. The components in these early television sets are nearly identical with those in the WWI radios, so the radio clearly evolved into the television. Both the radio and television show signs of further evolution, with transistors replacing tubes in later models. Radios evolved into televisions through a process of random mutations and natural selection. All radios are built on an assembly line according to plans. When completed, the radios are tested to make sure they work. Occasionally, a radio is assembled incorrectly. In most cases, assembly errors cause the radio to work poorly, or not work at all. These errors are detected in the testing phase, and the faulty radios are destroyed. In very rare instances, however, an assembly error actually causes the radio to work better than normal. When this is detected in the testing phase, the radio is studied to find out what the difference is. The plans are modified to incorporate the beneficial error, and all subsequent radios are built this way. Over a period of 2 million years, the radio gradually evolved into a television set. Although the transitional forms have never been discovered, we know how this happened. One day, on a whim, a worker decided to add a picture tube to the radio. The picture tube didn't actually do anything, because there weren't any horizontal or vertical deflection circuits yet, but the little white dot in the center of...
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