And After Many a Summer Dies the Proton
| First published | September 1981 |
|---|---|
| Type | Essay |
| Series | Asimov's Essays: F&SF |
Synopsis
Grand Unified Theories of physics predict that protons decay with a half-life of 10<sup>31</sup> years. Experiments are under way to detect these events.
Publications (5)
| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| September 1981 |
|
The Magazine of Fantasy & Science Fiction, September 1981 | Mercury Press, Inc. | MAGAZINE | 133 |
| January 1983 |
|
Counting the Eons | Doubleday | Nonfiction | 102 |
| 1984 |
|
Counting the Eons | Granada | Nonfiction | 102 |
| August 1989 |
|
Asimov on Science: A 30 Year Retrospective | Doubleday | Nonfiction | 278 |
| November 1991 |
|
Asimov on Science: A 30 Year Retrospective | Pinnacle Books / Windsor Publishing Corp. | Nonfiction | 342 |