View Pit Stop page for race #55 by luojiaxuanwu — Ghost race
View profile for 牛牛 (luojiaxuanwu)
| Official speed | 82.65 wpm (38.48 seconds elapsed during race) |
|---|---|
| Race Start | July 1, 2011 11:04:30am UTC |
| Race Finish | July 1, 2011 11:05:09am UTC |
| Outcome | No win (1 of 1) |
| Accuracy | 95.0% |
| 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. |