Timeline for Traffic lights: why yellow before green?
Current License: CC BY-SA 3.0
2 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Dec 31, 2011 at 12:31 | comment | added | Lie Ryan | -0, for lame abbreviations. | |
| Dec 31, 2011 at 10:18 | history | answered | kraftydevil | CC BY-SA 3.0 |