Timeline for Traffic lights: "yellow" is progress, not state
Current License: CC BY-SA 3.0
2 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Sep 15, 2011 at 11:23 | comment | added | giraff | I was talking about the real traffic lights - will make this more clear in the question. | |
| Sep 15, 2011 at 10:55 | history | answered | Schroedingers Cat | CC BY-SA 3.0 |