What we call time in physics is not a real entity in the universe. The real entities in the universe are matter and energy. Energy gives motion to matter or all

'If you feel you are in a black hole, don't give up. There's a way out' What is inside a black hole? Is time travel possible? Throughout his extraordinary caree

In this masterfully written and brilliantly informed work, Dr. Rhorne, the Feynman Professor of Theoretical Physics at Caltech, leads readers through an elegant

This is a provocative account of the astounding new answers to the most basic philosophical question: Where did the universe come from and how will it end?

From Nobel prize-winner Roger Penrose, this groundbreaking book is for anyone "who is interested in the world, how it works, and how it got here" (New York Jour