Guest
Race Result Details |
| Racer | Ruslan (rusbes) |
| Race Number | 490 |
| Date | Sat, 5 Aug 2017 22:22:09 |
| Speed |
50 WPM
 Try to beat?
|
| Accuracy | 96.5% |
| Rank | 5th place (out of 5) |
| Opponents | mfkrbo (3rd place) swetha179 (2nd place) ticy3 (4th 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)
|