Compare Was Einstein Right? by Clifford N. Will, Paperback | Indigo Chapters

First published in 1986, this award-winning account of how Einstein’s theory holds up after more than seventy-five years has been updated to accommodate the most recent experimental findings, as well as the exciting story of the rise and fall of the "fifth force." | Was Einstein Right? by Clifford N. Will, Paperback | Indigo Chapters