This book de-emphasizes the formal mathematical description of spacecraft on-board attitude and orbit applications in favor of a more qualitative, concept-oriented presentation of these topics. The information presented in this book was originally given as a set of lectures in 1999 and 2000 instigated by a NASA Flight Software Branch Chief at Goddard Space Flight Center. The Branch Chief later suggested this book. It provides an approachable insight into the area and is not intended as an essential reference work. ACS Without an Attitude is intended for programmers and testers new to the field who are seeking a commonsense understanding of the subject matter they are coding and testing in the hope that they will reduce their risk of introducing or missing the key software bug that causes an abrupt termination in their spacecraft’s mission. In addition, the book will provide managers and others working with spacecraft with a basic understanding of this subject.
A stereogram is a two-dimensional image that, when viewed properly, creates a stunning, almost magical impression of depth. Objects seem to float or to pop out of patterns. And these complex and sophisticated designs, produced by two of the most famous stereogram creators in the world, are state of the art.
Seeing isn't always believing! This incredible collection of visual illusions and stereogram images proves it. In Eye Tricks, there are shapes to beguile and confuse, colours in which to lose yourself and patterns to marvel at - while they scramble your mind. A great visual experience for anyone with a good visual sense and/or a love for clever visual illusions.
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