| Three Roads to Quantum Gravity: A New Understanding of Space, Time and the Universe | |
| Author: | Lee Smolin |
| Country: | United States |
| Subjects: | Physics, quantum gravity |
| Media Type: | |
| Language: | English |
| Publisher: | Basic Books |
| Series: | Science Masters |
| Release Date: | May 30, 2001 |
| Pages: | 240 pp. |
| Isbn: | 978-0465078356 |
| Preceded By: | The Life of the Cosmos (1999) |
| Followed By: | The Trouble With Physics (2006) |
Three Roads to Quantum Gravity: A New Understanding of Space, Time and the Universe is a non-fiction book by American theoretical physicist Lee Smolin. The book was initially published on May 30, 2001 by Basic Books as a part of the Science Masters series.[1] [2] [3]
Smolin discusses three potential approaches by which a unified theory of quantum gravity, arguably the foremost issue in theoretical physics, may be realized. Approaches discussed include string theory, M-theory, and Smolin's preferred approach, loop quantum gravity. Smolin suggests that these approaches may be approximations of a single, underlying theory.