The observed brightness of a Lambertian surface may be written as the product of an albedo factor, p, and the cosine of the incident angle, cos i. This means that brightness can be written as a product of a term that depends on the material, p, and a term that depends on surface direction, which in turn depends on f and g.
—from Artificial Intelligence Second Edition, a book by Patrick Henry Winston
Active since January 13, 2017.
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| Rank | Username | WPM | Accuracy | Date |
|---|---|---|---|---|
| 4248. | Winnie (likeastaracrossmysky) | 74.85 | 98% | 2019-08-24 |
| 4249. | fr9nny (frxnny) | 74.84 | 96% | 2020-09-28 |
| 4250. | Adarsha (adarshap) | 74.83 | 97% | 2019-01-06 |
| 4251. | Livo (livo) | 74.83 | 99% | 2017-11-12 |
| 4252. | xxneoxx (xxneoxx) | 74.82 | 99% | 2017-06-16 |
| 4253. | clerk (csmith2) | 74.82 | 97% | 2018-10-06 |
| 4254. | Michael (michael50) | 74.80 | 94% | 2018-04-18 |
| 4255. | Abdullah (abdullah92) | 74.80 | 97% | 2020-05-31 |
| 4256. | Ian (ianpasaribu) | 74.79 | 97% | 2018-03-14 |
| 4257. | Chase (doublewidesurprise) | 74.78 | 97% | 2020-09-08 |
| 4258. | tstats[rebecca_annn] (rebec... | 74.78 | 97% | 2017-06-07 |
| 4259. | Hayden (under910) | 74.77 | 98% | 2020-10-12 |
| 4260. | anindya (anindya87) | 74.75 | 99% | 2019-09-06 |
| 4261. | I eat (lilmeep) | 74.75 | 97% | 2019-04-24 |
| 4262. | depebrhko (depebrhko) | 74.74 | 96% | 2018-08-18 |
| 4263. | Jokuc (jokuc) | 74.73 | 97% | 2020-08-17 |
| 4264. | KENNETTE (kennshinn) | 74.72 | 98% | 2018-07-22 |
| 4265. | B R E N loves Mako (pugslyyy) | 74.72 | 94% | 2018-01-08 |
| 4266. | John (andy1098) | 74.72 | 97% | 2017-11-22 |
| 4267. | CARLO (cjbal) | 74.70 | 97% | 2020-11-13 |
| 4268. | Kobus (klabuschagne) | 74.70 | 97% | 2017-09-01 |
| 4269. | 一国良制 (typeracerblac... | 74.70 | 96% | 2018-05-19 |
| 4270. | Christoffel (christoffel) | 74.70 | 97% | 2020-06-21 |
| 4271. | heclord (heclord) | 74.69 | 93% | 2017-03-27 |
| 4272. | Bidou (bidou) | 74.69 | 97% | 2020-06-20 |
| 4273. | Pascal (pascaaal) | 74.69 | 94% | 2017-02-15 |
| 4274. | Stentor (stesanor) | 74.68 | 98% | 2018-01-28 |
| 4275. | Matt (yankeews27) | 74.68 | 97% | 2017-05-11 |
| 4276. | Bram (messier_104) | 74.66 | 96% | 2017-08-29 |
| 4277. | BR3ND4N (bjlaughs) | 74.66 | 97% | 2020-11-29 |
| Universe | Races | Average WPM | First Race |
|---|---|---|---|
| Default (English) | 12,275 | 81.02 | January 13, 2017 |
| Instant Death Mode | 11 | 104.42 | December 24, 2018 |
| ᗜ Stenography | 5 | 69.26 | July 15, 2020 |
| New English Texts Are Here | 1 | 105.85 | January 5, 2023 |