Albert Einstein, 76 years old, frustrated and near death, having obsessively attempted and failed for 40 years to discover a Unified Field Theory, and filled with guilt and remorse over personal choices he made in his life, invents a device which folds time and space, bringing him face to face with his 40 year old self, who, along with psychoanalyst Carl Jung and quantum physicist Wolfgang Pauli, helps him to resolve his conflicts and solve the mathematical puzzle that has been plaguing him for decades.

A Princeton astrophysicist explores whether journeying to the past or future is scientifically possible in this “intriguing” volume (Neil deGrasse Tyson). It was H. G. Wells who coined the term “time machine”—but the concept of time travel, both forward and backward, has always provoked fascination and yearning. It has mostly been dismissed as an impossibility in the world of physics; yet theories posited by Einstein, and advanced by scientists including Stephen Hawking and Kip Thorne, suggest that the phenomenon could actually occur. Building on these ideas, J. Richard Gott, a professor who has written on the subject for Scientific American, Time, and other publications, describes how travel to the future is not only possible but has already happened—and contemplates whether travel to the past is also conceivable. This look at the surprising facts behind the science fiction of time travel “deserves the attention of anyone wanting wider intellectual horizons” (Booklist). “Impressively clear language. Practical tips for chrononauts on their options for travel and the contingencies to prepare for make everything sound bizarrely plausible. Gott clearly enjoys his subject and his excitement and humor are contagious; this book is a delight to read.” —Publishers Weekly

Draws from various sources to relate Albert Einstein's ethical and philosophical views on the cosmos, touching on such topics as God, prayer, wealth, peace, creativity, nature, imagination, and curiosity.

What is superstring theory and why is it important? Can superstrings offer the fulfilment of Einstein's lifelong dream of a Theory of Everything? Co-authored by one of the leading pioneers in superstrings, this book approaches these scientific questions, looking at the scientific research.

Winner of the 2017 Nautilus Award in the Religion/Spirituality of Western Thought category A bestselling author and rabbi’s profoundly affecting exploration of the meaning and purpose of the soul, inspired by the famous correspondence between Albert Einstein and a grieving rabbi. “A human being is part of the whole, called by us ‘Universe,’ a part limited in time and space. He experiences himself, his thoughts, and feelings as something separate from the rest—a kind of optical delusion of his consciousness...” —Albert Einstein When Rabbi Naomi Levy came across this poignant letter by Einstein it shook her to her core. His words perfectly captured what she has come to believe about the human condition: That we are intimately connected, and that we are blind to this truth. Levy wondered what had elicited such spiritual wisdom from a man of science? Thus began a three-year search into the mystery of Einstein’s letter, and into the mystery of the human soul. What emerges is an inspiring, deeply affecting book for people of all faiths filled with universal truths that will help us reclaim our own souls and glimpse the unity that has been evading us. We all long to see more expansively, to live up to our gifts, to understand why we are here. Levy leads us on a breathtaking journey full of wisdom, empathy and humor, challenging us to wake up and heed the voice calling from within—a voice beckoning us to become who we were born be.

Clear, concise exposition of both the special and general theories of relativity, intended for nonscientific readers with a knowledge of high school math. Topics include simultaneity, time dilation, length contraction, the possibility of travel to a distant star, non-Euclidean geometries, black holes, and the structure of the universe. 158 illustrations.