Lightlines
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The Blue Streak
Author: Alexander Rein
language: en
Publisher: Trafford Publishing
Release Date: 2007-01-29
The hacker's approach to Special Relativity grew out of an attempt to demystify the puzzling features of the theory to intelligent but intuition-blocked lay persons by a strategy aimed at this particular handicap: The insufficiently understood basic concepts, the most obstinate stumbling blocks, are explained at length first. The four-dimensional cornerstone of the theory, the all-important Invariant, is presented as a geometric structure analogous to the Diagonal of a box-like Frame of Reference to which Time is subsequently added as the Fourth Dimension. The exposition of the theory of Special Relativity is primarily intuition-oriented while remaining also geometrically conceptualized and mathematically developed. It is built up from scratch around First Principles starting out with our primitive notions of Space, Time and Motion which are then continually updated and refined. The conceptual tools and terminology for investigating Linear Motion at Uniform Velocity are provided in a step-by-step fashion and always visualized by suitable illustrations. The Spacetime "terrain" (curved but not spherical) and its "domains" (Past, Present and Future) are defined, mapped and explained. The standard topics of Special Relativity are individually elaborated in the already introduced step-by-step fashion and its mathematical results, the equations, are not just displayed in print as usually done in undergraduate textbooks but are actually derived from familiar situations using only elementary algebra, the simplest possible math for the task. These derivations are additionally written out fully in longhand for the benefit of those still inexperienced or whose math has all gone to rust. The Theory of Relativity is covered in sufficient detail to make this book an optional supplement in a college-level physics course. It can also serve as a source of information and insight in high-school and adult science clubs but, above all, it was meant to be a self-study manual, a virtual class room at home, a do-it-yourself tutoring aid. Besides standard fare, two speculative topics are included: (1) a "Faster than Light" chapter dealing with its chief reputed consequence, the reversal of Time Arrow once the travel speed has "crashed" the "Light Barrier," and (2) a tentative description of a very-very fast moving object caught by our wide-open eyes or by a super-fast shutter speed camera. The book and its intended readership are described in the Preface. Basic concepts and a brief historical background of the theory are given in the Introduction. In Chapters I-XV, you'll find the main topics and in the Postscript, there are additional comments pertinent to, but reaching above and beyond, the contents of this book.
Traffic Light Lines
Students constantly stream into Kimberly Lanes occupational therapy practice needing help with poor handwriting. While it might not be the first challenge parents and teachers think of needing to help children overcome, handwriting is a critical skill for students to learn. Teachers cant assess what students know if they cant communicate clearly. In this simple program geared for preschool-level students to students on a second-grade development level, Lane shares the traffic light line method for learning handwritingan easy approach for parents, teachers, occupational therapists, and children to understand. Early on in life, children say go when the traffic light turns green, and its easy for them to envision a traffic light, which is what makes this program so wonderful. Students will learn how to practice letters in various media, recall how to form letters, and enhance their visual motor skills along the way. The method is easy to teach, easy to learn, fast, effective, and inexpensive. So start helping children master handwriting, and position them to succeed with the traffic light line method!
Handbook of Optoelectronics (Two-Volume Set)
A field as diverse as optoelectronics needs a reference that is equally versatile. From basic physics and light sources to devices and state-of-the-art applications, the Handbook of Optoelectronics provides comprehensive, self-contained coverage of fundamental concepts and practical applications across the entire spectrum of disciplines encompassed by optoelectronics. The handbook unifies a broad array of current research areas with a forward-looking focus on systems and applications. Beginning with an introduction to the relevant principles of physics, materials science, engineering, and optics, the book explores the details of optoelectronic devices and techniques including semiconductor lasers, optical detectors and receivers, optical fiber devices, modulators, amplifiers, integrated optics, LEDs, and engineered optical materials. Applications and systems then become the focus, with sections devoted to industrial, medical, and commercial applications, communications, imaging and displays, sensing and data processing, spectroscopic analysis, the art of practical optoelectronics, and future prospects. This extensive resource comprises the efforts of more than 70 world-renowned experts from leading industrial and academic institutions around the world and includes many references to contemporary works. Whether used as a field reference, as a research tool, or as a broad and self-contained introduction to the field, the Handbook of Optoelectronics places everything you need in a unified, conveniently organized format.