From the best-selling author of The Elegant Universe and The Fabric of the Cosmos comes his most expansive and accessible book to date—a book that takes on the grandest question: Is ours the only universe?
There was a time when “universe”...
Throughout history, humanity has borne witness to the political and moral challenges that arise when people place national identity above allegiance to geo-political states or international communities. This book discusses the concept of nations and...