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(More customer reviews)Quality entertainment is its' own reward, so in many ways the plausibility of the scenarios is not an overriding concern. However, there is a threshold of believability that cannot be crossed, for if it is, it can cease to be entertainment. The quality of the entertainment has a great deal to do with the location of the threshold, if the story is very good, the bar is higher, but for a mediocre story it can be much lower. In the Star Wars movies, the bar is generally considered pretty low, as most people who watch them are fairly uncritical of the scientific basis for the events. George Lucas was brilliant when he opened the series with the phrase, " A long time ago in a galaxy far, far away." This is equivalent to the classic "Once upon a time" opening to fairy tales. By immediately giving the Star Wars events the status of a fairy tale, Lucas provides himself with a great deal of scientific poetic license in his Star Wars movies.
However, there are always people who examine the actions on the screen and consider the plausibility based on the current theories of science. In this book Cavelos critically examines the major events in the Star Wars series from the perspective of modern science. The opening chapter is a discussion of the major environments where the action takes place. It starts with the questions concerning how prevalent planets are in the universe. In this case, recent research indicates that there are an enormous number of planets, so the focus moves to planets that could support life, in particular, human life. Here, the odds drop substantially, as the range of temperature, gravity and atmosphere that humans can function in is in all cases very narrow. The existence of specific planets such as Tatooine with its' two suns, the moon "planets" of Endor and Yavin and the ice planet Hoth are all seriously examined. Given the constant number of new surprises that the study of planets in our solar system has provided, while unlikely, most of these environments cannot be ruled out.
Chapter two, which deals with the characteristics of alien life forms, was my favorite. Many of the main species, such as the Wookies, Hutts, Banthas, Jawas, and Ewoks are examined from a biological perspective. How their bodies are constructed and if they could function in their environment makes an interesting exercise in comparative biology. By examining Jar Jar Binks, one can reach many conclusions concerning how his species functions. This is a chapter that would make an excellent study topic in high school biology classes.
Chapters three and four deal with the technology, with chapter three devoted to the artificial intelligence (AI) of droids and four the technology of the spacecraft. Despite many problems in implementation, there appears to be no reason to doubt that droids with the capability of R2-D2 and C-3PO will eventually be constructed. However, the development of interstellar craft that travel through hyperspace will require substantial advancements in harnessing energy and the presence of scientific realities that we currently know nothing about.
The Force, that all-encompassing energy field, is the topic of the last chapter. It is also the most difficult to envision, although in many cases, it is just another name for God. The difference is of course that using the force would mean that an individual could channel the power of God for their own purposes, independent of the goodness rating of the action. Extra-sensory perception and the current "evidence" for it are also examined.
I am a devoted fan of Star Wars, and as I scientist I recognize when scientific laws are broken on the screen. Nevertheless, it was a very fun book to read, because there is scientific evidence that indicates that some of what happens in these movies could actually take place.
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