Beginning in 2004, a team of geologists and other planetary scientists did field science in a dark room in Pasadena, exploring Mars from NASA's Jet Propulsion Laboratory (JPL) by means of the remotely operated Mars Exploration Rovers (MER). Clustered around monitors, living on Mars time, painstakingly plotting each movement of the rovers and their tools, sensors, and cameras, these scientists reported that they felt as if they were on Mars themselves, doing field science. The MER created a virtual experience of being on Mars. This book examines how the MER has changed the nature of planetary field science. NASA cast the rovers, Spirit and Opportunity, as "robotic geologists," and ascribed machine initiative to remotely controlled actions. Clancey argues that the actual explorers were not the rovers but the scientists, who imaginatively projected themselves into the body of the machine to conduct the first overland expedition of another planet. The author investigates how the design of the rover mission enables field science on Mars, explaining how the scientists and rover engineers manipulate the vehicle and why the programmable tools and analytic instruments work so well for them.

English-speaking readers fond of Astrology already know the Author, thanks to his previous works - Transits and Solar Returns and Lunar Returns and Earth Returns, which have also been translated into several other languages. In a practice of almost forty years of astrological research, the Author has studied and guided over twenty thousand aimed birthdays; he has also published a dozen books specifically on Solar Returns and Lunar Returns. This is his fifth work in English; two of them can be downloaded free from his webpage www.cirodiscepolo.it - In this volume Ciro Discepolo deals with the second 'resource' on which his Active Astrology is based (the first one being the aimed birthday): the so-called exorcism of symbols. In these pages the Author suggests to the Reader about what can be done when you cannot aim, i.e. actively relocate your birthday (either your Solar or Lunar Return) by a practical application of the notion of 'activating' or 'constellating' a symbol. For example, Ciro Discepolo claims that if you can not leave for an aimed birthday to avoid Saturn being placed in the 5th House of your next Solar Return, during the twelve months covered by the SR, you had better devote more time to your kids, help them in their studies or in their sporting activities, pay the fee to enrol them in a course, perhaps abroad, where they could learn new subjects and/or nurture and improve their condition in a broad sense. Planet by planet, House by House, this volume contains all the suggestions of the Author on the exorcism of symbols - a useful practice also in the case you do relocate your Solar and/or Lunar Returns: for example if you have willingly left some dissonant position in your map of Aimed SR or of Aimed LR, and you wish to lower the threshold of risk a little more. The volume also explains the philosophical and psychological roots justifying the practice of the exorcism of symbols.

This book discusses the vital role of chemistry in everyday life. It encourages readers to understand how the knowledge of chemistry is important for the development of society and a better future. The text is organized into three parts. Part 1 covers the historical aspects of chemistry and discusses how countless discoveries since the beginning of life on earth have benefited human beings. Part 2 focuses on modern life and describes chemistry’s contribution to the developments in the fields of food and agriculture, energy, transportation, medicine, and communications. Part 3 emphasizes the role of chemists and educators in making the layperson aware of the benefits of chemistry without having them to go through its complexities. Written in an easy-to-understand manner and supplemented by ample number of figures and tables, the book will cater to a broad readership ranging from general readers to experts.

Dr. David Frawley, the well known Vedic scholar, writes of Mr. Trivedi - "India's most insightful young astrologer offers what is probably the longest, most researched and most original book on the Lunar Nodes published in modern times. This book is worthy of serious examination by all students of Astrology and all those interested in the great mysteries of life, death, karma and transformation."

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