Provides an expansion on the great subjects of the original. This book has subjects of wide interest been given entire chapters of their own, including relativity, curved space, and quantum theory. The CD Rom of full-colour illustrations is an addition in its own right to the literature of science.

Product Description: El gran físico británico nos ofrece la historia del universo, desde las primeras teorías del mundo griego y de la Edad Media hasta el Big Bang y los agujeros negros, en un libro didáctico y accesible a todos los públicos. Newton, Einstein, la mecánica cuántica y la teoría de la gran unificación desfilan por estas páginas, acercando al lector de manera clara y amena los misterios del universo...read more

Product Description: Stephen Hawkings worldwide bestseller, A Briefer History of Time, has been a landmark volume in scientific writing. Its authors engaging voice is one reason, and the compelling subjects he addresses is another: the nature of space and time, the role of god in creation, the history and future of the universe...read more

Product Description: Today's technology is redefining human potential. Current computer hardware and software can create new ways for people with any kind of a disability to interact with the world. In this book the Alliance for Technology Access, a coalition of the foremost experts in the country, many of whom experience the disabilities they address, brings together the latest information and straightforward approaches to exploring technology options, including:** Guidance and support in building an assistive technology plan** Worksheets and other tools to help with planning and decision making** Information specific to life situations that impact decisions and direction** How to make use of conventional, assistive, and information technologies** Real-life stories of people with disabilities using technology successfully** A "toolbox" section with 150 pages of information about current specific technologies** 100 pages of Helpful Resources and ReferencesSee Publishing History for a description of specific changes in this 4th editio...read more

Unravelling the latest amazing breakthroughs in theoretical physics, Stephen Hawking guides the reader through the evolution of Einsteinian physics to a universe of ten dimensions and a so-called theory of everything.

In this revised edition, Stephen Hawking includes recent developments in the field of cosmology. Explaining his theories through a visual dimension, the book is designed to help the lay reader to understand abstract ideas, such as the 'big bang', black holes, and particle physics.