Image 11
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Electronic String Art
String art is a well-known and popular activity that uses string, a board, and nails to produce artistic images (although there are variations that use different modalities). This activity is beloved because simple counting rules are used to create beautiful images that can both adorn walls and excite young minds. The downside of this highly tactile activity is that it is quite time-consuming and rigid. By contrast, electronic string art offers much more flexibility to set up or change nail locations and counting rules, and the images created from those changes change instantaneously. Electronic String Art: Rhythmic Mathematics invites readers to use the author’s digital resources available on the ESA website to play with the parameters inherent in string art models while offering concise, accessible explanations of the underlying mathematical principles regarding how the images were created and how they change. Readers will have the opportunity to create visually beautiful works of art while learning concepts from geometry, number theory, and modular arithmetic from approximately 200 short-interdependent sections. Features Readers are able to drill-down on images in order to understand why they work using short (1 to 2 page) stand-alone sections Sections are lessons that were created so that they could be digested in a single sitting These sections are stand-alone in the sense that they need not be read sequentially but can be referred to based on images that the reader finds interesting An open-ended, inherently flexible teaching resource for elementary, middle, and high school-level mathematics The most mathematically challenging sections (or portions of a section) are designated MA and may not be accessible to elementary and middle school readers Will be appreciated by anyone interested in recreational mathematics or mathematical artworks even if the users are not interested in the underlying mathematics Includes exercises, solutions, and many online digital resources These QR codes take you to these digital resources. One takes you directly to the web version of the string art model (used as a starting point for teaching the parameters of the model in Section 25.5). The other takes you to the ESA web page with additional links to a variety of resources.
Images and Intervention
Author: Martha L. Cottam
language: en
Publisher: University of Pittsburgh Pre
Release Date: 1994-04-15
Cottam explains the patterns of U.S. intervention in Latin America by focusing on the cognitive images that have dominated policy makers' world views, influenced the procession of information, and informed strategies and tactics. She employs a number of case studies of intervention and analyzes decision-making patterns from the early years of the cold war in Guatemala and Cuba to the post-cold-war policies in Panama and the war on drugs in Peru. Using two particular images-the enemy and the dependent-Cottam explores why U.S. policy makers have been predisposed to intervene in Latin America when they have perceived an enemy (the Soviet Union) interacting with a dependent (a Latin American country), and why these images led to perceptions that continued to dominate policy into the post-cold-war era.
Advances in VLSI, Communication, and Signal Processing
This book comprises select peer-reviewed papers from the International Conference on VLSI, Communication and Signal processing (VCAS) 2019, held at Motilal Nehru National Institute of Technology (MNNIT) Allahabad, Prayagraj, India. The contents focus on latest research in different domains of electronics and communication engineering, in particular microelectronics and VLSI design, communication systems and networks, and signal and image processing. The book also discusses the emerging applications of novel tools and techniques in image, video and multimedia signal processing. This book will be useful to students, researchers and professionals working in the electronics and communication domain.