Discusses recent discoveries in physics and cosmology to explore a range of multiverse proposals, and examines how the knowledge that some aspects of reality may lie beyond human comprehension might affect scientific progress.

"It is among the most elegant, radical, and tantalizing theories ever to be fashioned by the keen lathe of mathematical insight. For the better part of two centuries, the notion of higher dimensions beyond space and time has fueled the imaginations of scientists, writers, occultists, and more than a few con artists." "In The Great Beyond, physicist, mathematician, and author Paul Halpern presents a comprehensive history of the foundations and development...