The invention of the wheel represented a major turning point in human civilization. Besides its use in transportation, the wheel went on to become the basic principle behind almost every mechanical device.
Game | Time | WPM | Accuracy |
---|---|---|---|
1669 | 2011-03-20 10:55:16 | 45.93 | |
1351 | 2010-09-07 18:11:39 | 41.56 |