Fragile Objects Soft Matter Hard Science And The Thrill Of Discovery
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Fragile Objects
Author: Pierre-Gilles de Gennes
language: en
Publisher: Springer Science & Business Media
Release Date: 2012-12-06
Over the past few decades we have learned a great deal about the behavior of such materials as liquid crystals, emulsions and colloids, polymers, and complex molecules. These materials, called "soft matter" ("matière fragile" in French), have neither the rigid structure and crystalline symmetry of a solid nor the uniformity and disorder of a fluid or a gas. They have unusual and fascinating properties: some change their viscosity at our beck and call; others form layers of two-dimensional liquids; some are polarized, their molecules all oriented in the same direction and turning in unison at our command; others make up the foams, bubbles, waxes, gums, and many other items we take for granted every day. De Gennes, one of the world's leading experts on these strange forms of matter, here addresses topics ranging from soft-matter physics - the formation of rubber, the nature and uses of gum arabic, the wetting and de-wetting of surfaces, and the mysterious properties of bubbles and foams - to the activities of science: the role of individual or team work, the relation of discovery to correction, and the interplay of conscience and knowledge. In the best tradition of science writing, this book teaches us about both our world and ourselves.
Introduction To Soft Matter Physics
Soft matters differ from hard ones essentially due to former's relatively weak interaction which is comparable to kBTrm (Trm = room temperature) — this results in the major characteristics of soft matters such as 'strong reactions upon weak actions'.Developed over a period of 10 years through soft matter physics lectures for both graduate and undergraduate students in Fudan University, this textbook not only concentrates on the basic interactions inside soft matters through a reductionist approach, but also introduces the exploratory works on the complexity of soft matters in methods of system science.Other important topics in soft matter physics which are included involve static and dynamic electrorheological (ER) effects — an important 'model animal' in the subject, granular media — which explains the thermodynamics of sands and its dynamics, and the Onsager principle of least energy dissipation rate which has been adapted in this textbook to see how it governs the optimal paths of a system's deviation from and restoration to equilibrium.The subject of soft matter physics is still in its infancy, making it highly exciting and attractive. If you like a challenging subject, you will most certainly fall in love with soft matter physics at first read!
Chain Mobility and Progress in Medicine, Pharmaceuticals, and Polymer Science and Technology
Chain Mobility and Progress in Medicine, Pharmaceuticals, and Polymer Science and Technology, Second Edition covers the core fundamentals and applications of chain movement, chain mobility, segmental mobility, segmental dynamics, and chain orientation in polymer science, medicine, pharmaceuticals, and other disciplines. The book starts by defining the principal terms, then looks at the work of Pierre-Gilles de Gennese and his 1991 Nobel Prize in Physics for his work on polymer-macromolecular substances, the conditions under which chains move, and the effects of these movements on properties of materials, such as chain alignment, chain orientation, creation of free volume, dimensional stability, and more.The book's final chapters provide insights on analytical methods of chain movement, chain movement phenomena in different polymers, and various fields of application. All concepts, findings, and applications are discussed in easy-to-understand language stripped of disciplinary slang, making the book accessible to researchers and practitioners across a variety of scientific fields. - Discusses various chain motion mechanisms such as bond fluctuation, Brill transition, chain diffusion, and more - Covers how discussed mechanisms can be applied in the development of cutting-edge products - Looks at conditions under which chains move and the effects these movements have on the properties of materials - Provides examples of research and technological aspects of chain movements as they relate to analytical methods used for studies, different polymers, and various fields of application