Guest
Race Result Details |
| Racer | Petri (akheron) |
| Race Number | 50 |
| Date | Sun, 31 Mar 2019 18:39:30 |
| Speed |
70 WPM
 Try to beat?
|
| Accuracy | 97.8% |
| Rank | 3rd place (out of 5) |
| Opponents | aaptronym (1st place) bendorphins (5th place) ehthinking (4th place) khangtrinh (2nd place) |
Text typed:
|
A refracting telescope uses a lens instead of a mirror to focus the incoming light, relying on refraction rather than reflection to achieve its purpose. Refraction is the bending of a beam of light as it passes from one transparent medium (for example, air) into another (such as glass).
— (book)
by Eric Chaisson, Steve McMillan
(see stats)
|