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Abstract:

The total hip replacements are indispensable medical procedures that address the hip problems of people. The medical practice for some time has been an adequate solution for hip problems. However, problems has been discovered that the materials used for the implants that are composed of metals and alloys cause fretting corrosion which leads to various health complications and implant failure. This paper discusses the hip joint implants and the fretting corrosion that complicates the medical practice. It touches the adverse effects of the implant corrosion in the health of the patients. Furthermore, this paper divulges some of the design Continue reading...

I firmly believe that NFL should not be held financially responsible for players after retirement. The following essay points out the reasons why I think so. In an article in Engineering & Technology written by Mark Venables, the NFL commissioner Roger Goddell made the statement, “The studies show that if you play football, and in the NFL, that you actually live a longer life than the average male citizen who has never played football.” According to Mark Venables (2013) in Engineering & Technology: New and improved safety measures for America’s NFL stars, the study of retired players shows only one Continue reading...

Introduction

In 1970, Osawa, a Japanese scientist, have predicted the existence of a new allotrope of the carbon element, which according to him, would be composed of 60 atoms of carbon. Indeed, in 1985, Sir Harold W. Kroto of the United Kingdom together with Richard E. Smalley and Robert F. Curl, Jr., of the United States discovered the another allotrope of carbon in a research facility of Rice University. Consequently, because of the geodesic structure of the element, they named the newly discovered carbon element as ‘buckminsterfullerene,’ after Buckminster Fuller, the American architect who invented the geodesic dome. Because of Continue reading...