drake-equation
| Topic | Replies | Views | Activity | |
|---|---|---|---|---|
| Estimating the odds of extraterrestrial life mathematically |
|
2 | 1237 | July 29, 2011 |
| Frank Drake on Earth's fading radio leakage into space |
|
2 | 670 | September 16, 2004 |
| Time travel as a natural stage in humanity's cosmic progress |
|
7 | 410 | June 3, 1999 |