Timeline for How do 21st century time travelers tour prehistory safely?
Current License: CC BY-SA 3.0
2 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Aug 30, 2016 at 12:10 | comment | added | user6760 | +1 but I must ban drones. | |
| Aug 30, 2016 at 12:05 | history | answered | DrBob | CC BY-SA 3.0 |