Vast and absorbing, spanning millennia of human history, The Timetables of History achieves a goal in the study of the past that is unmatched by any other reference volume -- it gives us a sweeping overview of the making of the contemporary world. This remarkable book maps out at a glance what was happening simultaneously, from the dawn of history to the present day. Never before has progress been presented with such clarity or with a view that fully...

Navigate the roadmaps of simple electronic circuits and complex systems with help from an experienced engineer. This guide explains how to understand and create high-precision electronics diagrams. Find out how to identify parts and connections, decipher element ratings, and apply diagram-based information in your own projects. It also contains valuable appendices covering symbols and resistor color codes.

"More than 2 1/2 hours of original movies featuring dramatic, accurate visualizations of astronomical objects and phenomena that will enrich the viewer's celestial explorations. World-renowned researchers provide up-to-date information on specific objects, their origins, orbital dynamics and fascinating features."---Container.