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This book follows the lives (personal and professional) of several NASA scientists who study Mars, whether they're off in some remote location studying geology that's similar to Mars or designing an experiment for a robotic exploration mission. The book includes the many battles that each one fights, whether is with NASA bureaucracy, their personal lives, with each other for experiments to be flown on an upcoming Mars spacecraft, or dealing with each other's conflicting theories on Martian geological history. One of the things that I gleaned from reading this book is that while each of the people maybe specialized in a given area, they all have a board background in planetary sciences and spacecraft design. Also, there seems to be a lot jealously between scientists, especially for those people who worked on the "Life on Mars" Rock. It was also nice to see that a good portion of the people that NASA employs are women.
Since I've known several of the people involved in Mars research who are described in this book for over a decade, I can definitely say that the stories presented are true and I found the personal descriptions of various individuals to be dead on as well as those of NASA facilities. The book could, however, benefit from some photos and illustrations instead of the detailed of various Martian geological features. It also would have been nice to some parts of the book devoted to the engineers who help make these missions possible, but that might be an inappropriate topic for this book.
The book is very readable and well written. My only complaint is that the book would have benefited from some illustrations. The images from the Mars Orbiter were discussed ad nauseum, but no representative images were between the covers of the book! Also, I would have liked to have seen a few photos of some of the hardware and researchers discussed.
An example from the MGS laser altimeter team (specifically the Mars Orbiter Laser Altimeter or MOLA). This instrument shoots blasts of laser light from the orbiting spacecraft to the surface of Mars, and times their return to the sensor. By doing so, an incredibly accurate topographical relief map of Mars can be created. However, Mars has no absolute altitude marker like Earth (sea-level). Therefore, the scientists have to agree on an altitude reference against which all other measurements are compared. The specific reference chosen is critical because it will be used in all subsequent analyses of MOLA data. Any error could potentially be a spoiler for generations of future reserachers. Bergreen was there when they discussed whether they were ready to commit to an altitude reference and start releasing data (many team members argued "yes!") or whether more data and study were needed before the team published such critical information (other team members said "wait!").
Also typical was the conflict in choosing a landing site for the Mars Polar Lander. Scientists pour over the data from MGS and pick a site that is geologically interesting. Engineers pour over the MGS data and pick a site that is safe. The two goals are often at direct odds with one another. The engineers want stastical rock-counts so that they can ensure their craft won't topple over a boulder. Scientists argue that the sites chosen by the engineers will nullify all the science objectives of the mission. Such discussions can quickly become personal as emotions boil over and passionate beliefs give way to shouting contests.
Bergreen's book is in many ways reminiscent of Overbye's Lonely Hearts of the Cosmos, only directed at Planetary scientists instead of cosmologists. This book will be of extreme interest to Marsophiles, but will also be enlightening to those who want an inside look at Dan Goldin's NASA, or at the process actually followed by scientists in the trenches. I recommend this book highly to these two groups as well as anyone else who hasn't updated their knowledge of Mars exploration since Viking.
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Particularly amusing is his observation that a well-known "modern" song, used frequently in the liturgy, has the same melody as the theme from "The Brady Bunch."
Yet Day doesn't simply complain. In fact, I don't think he complains at all. He reports. Then he offers a number of helpful suggestions that are so commonsensical that no one could find solid grounds on which to argue them.
Day's book gives voice to the many faithful Catholics who wonder, in silence, what happened to the awesome beauty of the Mass of their youth. When priests and musicians become more concerned with praising God and less concerned with entertaining the people, Catholics will begin to sing again.
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The first chapters of this book are for the reader who has never heard of an option before. Then the book moves to subject matter that is useful to all readers, and it finally ends with advanced methodology which is in easily understood, non-technical terms, and is available for the savvy option trader and the novice, who by simply reading this book has become just one notch down from the savvy investor.
I would highly recommend this book to both the absolute novice who has nothing more than an interest to learn about options, and also to the reader who is well-seasoned in options (day)trading. The book may not be 100% turnkey, but the techniques discussed in the book are easily applied, and have much value.
The subject matter has captivated me to the point that I have been unable to put the book down --I have a voracious need to complete the reading and re-read it over again just to make certain I had not missed any morsel of thought. I've traded the markets over 30 years as a professional and as a hobby and never before have I experienced such a compelling need to read, experiment, and apply such information. What a thorough delight.
The questions I had after reading the first two DeMark books were answered in this book and a multitude of fresh new ideas were presented as well in a succinct and thorough manner. What a pleasure to see some of the market's mysteries exposed and confusion clarified before my very eyes.
I recommend this book highly for any serious trader or any one who wants sound trading concepts as the core of one's trading philosphy.
The techniques applied to options were one of a kind and appear to have much merit. The many other new ideas are enough to preoccupy my time for months to come.
This decision was a good one since the son obviously appreciates the difficulty some readers had with the other books and he writes more clearly. Thanks for book collaborators.
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"On This Day" is money well spent, in my opinion, and my wife and I are using it as a gift selection for some of our friends.
Rev. Carlston Berry Oklahoma City, OK
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The book contains many contrasting characters yet the author is able to make them all very down-to-earth and "real" in the reader's mind. They all attend high School, except for Mr. Twilley, the strict and seemingly heartless teacher, and most appear to be stereotyped characters from different groups found in all high schools: the geek, the football player, the cheerleader, the rich girl, the freak. Yet Rob Thomas is able to give each character a distinct personality and motivation.
The plot, which takes place entirely in one day, centers around a school holiday called Slave Day. The student council members and those teachers who are willing are auctioned off as slaves to the highest bidders from the student body. Those auctioned must then be the bidders' slaves for the duration of the day, doing just about anything their masters tell them to do.
The central theme of the novel is one of standing up for one's personal rights as a human being. An obvious example of standing up for one's rights lies in the actions of Keene Davenport, a black junior who speaks out for equality of blacks and whites, primarily by opposing the idea of Slave Day. Another character who displays the author's message is Brendan Young, the computer nerd who is almost invisible to the popular people at school. After the Tiffany, the rich girl is forced to bid on him, she treats him like dust, only being courteous to him at times when it is for her own personal gain. Toward the end of the novel, he finally stands up for himself by treating her as she has treated him.
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