Fuel Cells Essay Example | Topics and Well Written Essays - 1000 words

Fuel Cells - Essay Example The fuel cell is designed such that a proton-conducting polymer membrane separates the anode and the cathode. On the anode electrode, hydrogen diffuses to the anode catalyst, and it later dissociates into protons and electrons. The protons will react with oxygen molecules at the cathode side, infusing via the polymer electrolyte membrane as well as the electrons coming through the outer circuit to make water molecules. The protons are conducted through the membrane to the cathode while the electrons travel through an external circuit since the covering is insulated electrically. The reaction on the cathode electrode involves oxygen molecules and both the electrons and the protons (Scherer 35). Phosphoric acid fuel cell In this type of cell, hydrogen ions are passed to the cathode using phosphoric acid. These cells usually work at moderate temperatures. The relatively high temperatures cause a heat and energy loss if the heat is not removed and properly used. The heat can be turned into a useful source of energy for air conditioners and other thermal energy consuming systems (Onovwiona ans Ugursal 389). This property makes the phosphoric acid fuel cell more useful and improves the efficiency to about 80%. The anode electrode in this cell uses a platinum catalyst that accelerates the conversion of hydrogen into free ions and electrons are produced (Scherer 34). The electrons travel from the anode to the cathode cell through an external electrical circuit since phosphoric acid is a non-conducting electrolyte.

Interactive Video Essay Example | Topics and Well Written Essays - 1000 words

Interactive Video - Essay Example Therefore, interactive video is technique put, in place, to enable better use of video and film through interactions since they are blended (Dewdney, 2006). In addition, interactive video involves different media, designs that enable interaction, digital culture, cyber-culture and the human use or interaction with the computer. There is also an interaction with other media such as interactive television, video games, ambient intelligence, interactive advertisement and the social media. Logically, the concept behind video interaction is the interaction techniques and human use. Therefore, most of technology with video interaction has an interactive system of computing that meets the concept of human interaction. However, there is no much meaning in calling a media interactive because most of these devices have already been enabled to offer interaction with humans. On the other hand, it is still important because it connotes the identity of technology and practices. Moreover, some like video games are meant to provide ways of entertainment and leisure. Luckily, technology today has made video interaction easier as compared to the past where it required a return path. In summary, interactive video requires interactive technology and the end user who are humans, which has provided leisure activities for children through video games and tracking of geographical places through maps, amongst others and there is a wide possible future for interactive video. Therefore, this paper provides an investigation of the use of interactive video in media and film, including its significance and possible future use. Science has been the force behind interactive video. This is because methods that are computable have their influence from science. This includes cybernetics, system theories and autopoesis (LOGAN, 2010: 45) which challenge the memory, cognition, emotions, perceptions, affection and reason. This means that the human elements are not a major concern to interactive vide o since it is based on computability. Luckily, interactive video is not just bound to digital video but also other videos like games, printed interactive media and flip books (TAY, 1993:78). Moreover, the interface that takes place between the user and the medium, in this case video, is what is known as interaction. Therefore, interactive video does not only have to be used through digital video but also other forms of media. In summary, science leads to the creation of interactive media. Different technology has been put in use in order to create a successful user interface of interactive media. Notably, the complexity of video interaction depends on the kind of codes used in the creation of the video. This is due to different kinds of programmes that are conceptualized. For example, the javascript, HTML5 and CSS3 technique which are in use, in modern day (Mark, 2002:109). In addition, creativity has also been another approach towards programming of interactive video. Therefore, th e programmes are dependent on the designs of javascript, HTML5 amongst others. As a result, people can interact with the video in relation to the programming. In summary, the creative coding of the interactive video is a form of technique that has been put in use through programmes such as HTML5 and javascript. It is through the concept of interactive media that video games became a reality. It is the computing programmes that one can play video games. This is an appealing concept for children especially during their leisure time as a form of entertainment. Technically, the IMGD 1001 is a process used in the development of games (WOLF, 2008:32). Its role is to look examine different roles that the participants have in the process development as well as artistic