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Wired for Culture: Origins of the Human Social Mind
A fascinating, far-reaching study of how our species' innate capacity for culture altered the course of our social and evolutionary history. A unique trait of the human species is that our personalities, lifestyles, and worldviews are shaped by an accident of birth—namely, the culture into which we are born. It is our cultures and not our genes that determine which foods we eat, which languages we speak, which people we love and marry, and which people we kill in war. But how did our species develop a mind that is hardwired for culture—and why? Evolutionary biologist Mark Pagel tracks this intriguing question through the last 80,000 years of human evolution, revealing how an innate propensity to contribute and conform to the culture of our birth not only enabled human survival and progress in the past but also continues to influence our behavior today. Shedding light on our species’ defining attributes—from art, morality, and altruism to self-interest, deception, and prejudice—Wired for Culture offers surprising new insights into what it means to be human.
Code Division Multiple Access (CDMA)
This book covers the basic aspects of Code Division Multiple Access or CDMA. It begins with an introduction to the basic ideas behind fixed and random access systems in order to demonstrate the difference between CDMA and the more widely understood TDMA, FDMA or CSMA. Secondly, a review of basic spread spectrum techniques are presented which are used in CDMA systems including direct sequence, frequency-hopping and time-hopping approaches. The basic concept of CDMA is presented, followed by the four basic principles of CDMA systems that impact their performance: interference averaging, universal frequency reuse, soft handoff, and statistical multiplexing. The focus of the discussion will then...
Perspectives Art and Propaganda in the Twentieth-Century
The relationship of art to politics has always been an uneasy one, and never more so than in the 20th century. Governments have sought to control, censor, or bend art to their own purposes; artists have resisted and subverted such efforts. But what happens when artists work on behalf of a political program? When does art become propaganda? Is art tainted, diminished, or elevated by its political content?Toby Clark argues that propaganda art appears in many guises, and that the desire to persuade is not always at odds with aesthetic aims. He examines these many forms: the state propaganda of Nazi Germany, Fascist Italy, and Stalin's Soviet Union; democratic governments' representation of enemies in wartime; and anti-government protest art around the world, uncovering the complex rhetoric, high beauty, and ambiguous role of art that dwells in the political realm.
Digital Communication
This supplement contains worked out solutions to the chapter end problem sets found in Digital Communication, Second Edition, ISBN 0-7923-9391-0.
