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A concise but revealing history of the bicycle over 200 years
The weekly source of African American political and entertainment news.
A new, updated edition of a popular book on the history, science, and engineering of bicycles. The bicycle is almost unique among human-powered machines in that it uses human muscles in a near-optimum way. This new edition of the bible of bicycle builders and bicyclists provides just about everything you could want to know about the history of bicycles, how human beings propel them, what makes them go faster, and what keeps them from going even faster. The scientific and engineering information is of interest not only to designers and builders of bicycles and other human-powered vehicles but also to competitive cyclists, bicycle commuters, and recreational cyclists. The third edition begins ...
A new anthology of science fantasy stories, including "CHILD OF EARTH" (a brand new "Dumarest" story by E.C. Tubb, written especially for this volume) plus work by: Sydney J. Bounds, Eric C. Williams, Philip E. High, Tony Glynn, Andrew Darlington, Margaret St. John Bathe, and John Russell Fearn.
The weekly source of African American political and entertainment news.
Cambridge Grammar for First Certificate Second edition provides complete coverage of the grammar needed for the Cambridge FCE exam, and develops listening skills at the same time. It includes the full range of FCE exam tasks from the Reading, Writing, Listening, and Use of English papers, and contains helpful grammar explanations and a grammar glossary. It has been fully updated for the updated exam, introduced in December 2008. An edition 'without answers' is also available.
An investigation into how specific Web technologies can change the dynamics of organizing and participating in political and social protest. Much attention has been paid in recent years to the emergence of “Internet activism,” but scholars and pundits disagree about whether online political activity is different in kind from more traditional forms of activism. Does the global reach and blazing speed of the Internet affect the essential character or dynamics of online political protest? In Digitally Enabled Social Change, Jennifer Earl and Katrina Kimport examine key characteristics of web activism and investigate their impacts on organizing and participation. Earl and Kimport argue that the web offers two key affordances relevant to activism: sharply reduced costs for creating, organizing, and participating in protest; and the decreased need for activists to be physically together in order to act together. Drawing on evidence from samples of online petitions, boycotts, and letter-writing and e-mailing campaigns, Earl and Kimport show that the more these affordances are leveraged, the more transformative the changes to organizing and participating in protest.
How can the social sciences help us to understand the past, present and potential futures of cycling? This timely international and interdisciplinary collection addresses this question, discussing shifts in cycling practices and attitudes, and opening up important critical spaces for thinking about the prospects for cycling. The book brings together, for the first time, analyses of cycling from a wide range of disciplinary backgrounds, including history, sociology, geography, planning, engineering and technology. The book redresses the past neglect of cycling as a topic for sustained analysis by treating it as a varied and complex practice which matters greatly to contemporary social, cultural and political theory and action. Cycling and Society demonstrates the incredible diversity of contemporary cycling, both within and across cultures. With cycling increasingly promoted as a solution to numerous social problems across a wide range of policy areas in car-dominated societies, this book helps to open up a new field of cycling studies.
The main subject of this publication is the co-creation of society and biotechnology. The authors do not treat society and biotechnology as separate domains, instead they consider technologies as socially constructed. The main focus of this publication is on agro-biotechnologies and the contributors present perspectives for reconstruction both from and in 'the North' and 'the South'. Reconstructing biotechnologies offers a range of critical social analyses confronting the actuality of biotechnology with the potentialities of its social reconstruction. In doing that, the book develops and merges literature from four different disciplines, namely (i) critical theory and its analyses of technol...