Timeline for If it was possible to dig a hole that went from one side of the Earth to the other...
Current License: CC BY-SA 2.5
2 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Mar 21, 2011 at 18:58 | comment | added | Georg | Read the comments from Ted Bunn "below". | |
| Mar 21, 2011 at 17:15 | history | answered | dave | CC BY-SA 2.5 |