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A Engenharia de Materiais não é apenas uma das ciências de mais rápido crescimento e evolução, mas também uma que está na vanguarda da tecnologia moderna, abrangendo todas as facetas da vida no século XXI. Esta obra reúne os maiores pesquisadores brasileiros da área para apresentarem seus temas de pesquisa, que estão construindo as bases de novas tecnologias e progressos inovadores.
The Most Beautiful Molecule "The molecule, buckminsterfullerene, is beautiful physically and intellectually. Its qualities, and even some of its properties, can be appreciated instantly and intuitively by nonscientists. Its uniqueness is bound to lead to novel applications-superconductivity is the leading contender at the moment." "The commercial potential of buckminsterfullerene has heightened the excitement and controversy in recent years, while the exact nature of the discovery process in 1985 has been the subject of a heated feud between the British and American scientists involved."-Hugh Aldersey-Williams Ten years ago, the discovery of buckminsterfullerene, a previously unknown form of...
Multimedia Encryption and Watermarking presents a comprehensive survey of contemporary multimedia encryption and watermarking techniques, which enable a secure exchange of multimedia intellectual property. Part I, Digital Rights Management (DRM) for Multimedia, introduces DRM concepts and models for multimedia content protection, and presents the key players. Part II, Multimedia Cryptography, provides an overview of modern cryptography, with the focus on modern image, video, speech, and audio encryption techniques. This book also provides an advanced concept of visual and audio sharing techniques. Part III, Digital Watermarking, introduces the concept of watermarking for multimedia, classifies watermarking applications, and evaluates various multimedia watermarking concepts and techniques, including digital watermarking techniques for binary images. Multimedia Encryption and Watermarking is designed for researchers and practitioners, as well as scientists and engineers who design and develop systems for the protection of digital multimedia content. This volume is also suitable as a textbook for graduate courses on multimedia security.