View Pit Stop page for race #1760 by tonghua — Ghost race
View profile for tonghua (tonghua)
| Official speed | 69.65 wpm (45.66 seconds elapsed during race) |
|---|---|
| Race Start | July 4, 2010 4:12:45am UTC |
| Race Finish | July 4, 2010 4:13:31am UTC |
| Outcome | No win (2 of 5) |
| Points | 0.00 |
| Text | #473 (Length: 265 characters) The invention of the wheel represented a major turning point in human civilization. The first wheels, disks carved from solid wood, may have been built as early as 3500 BC. The earliest use of this device was the potter's wheel, used to spin and shape clay pottery. |