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 |
---|---|---|---|
158 | 2009-12-13 20:29:31 | 41.11 | |
58 | 2009-12-09 19:06:05 | 42.40 |