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 |
|---|---|---|---|---|
| 4880. | Trump (crsstyp) | 70.31 | 91% | 2017-03-22 |
| 4881. | Eugene (lilgene1) | 70.31 | 93% | 2020-11-06 |
| 4882. | Blake (eclypse750) | 70.30 | 97% | 2020-06-05 |
| 4883. | bob (facebooktetrisisgae) | 70.30 | 96% | 2020-09-24 |
| 4884. | Boogs (boogs53) | 70.30 | 97% | 2019-07-23 |
| 4885. | pedestrian (pedestrian) | 70.29 | 98% | 2020-06-13 |
| 4886. | enome (enome) | 70.29 | 97% | 2018-02-17 |
| 4887. | Jessica (jessicacohen02) | 70.28 | 96% | 2020-06-05 |
| 4888. | Jack (jacksmurthwaite) | 70.27 | 94% | 2018-01-05 |
| 4889. | Jacob (solace72) | 70.27 | 95% | 2020-12-13 |
| 4890. | n3r0 (andriescu01) | 70.26 | 94% | 2019-02-17 |
| 4891. | Mackey (slippy176) | 70.25 | 94% | 2019-05-21 |
| 4892. | Draks (draks) | 70.25 | 96% | 2017-06-20 |
| 4893. | MAC (1v1_ill_rek_u_m8) | 70.23 | 96% | 2017-06-20 |
| 4894. | KeZiM (kezim) | 70.22 | 95% | 2019-09-21 |
| 4895. | KaRMa (ikillyou22) | 70.21 | 97% | 2020-11-19 |
| 4896. | Regaining (amirpci) | 70.19 | 96% | 2017-07-20 |
| 4897. | Eva (dherrada) | 70.19 | 97% | 2020-04-26 |
| 4898. | Peter (pyesh) | 70.19 | 96% | 2019-11-01 |
| 4899. | Duke121 (duke121) | 70.19 | 97% | 2019-02-14 |
| 4900. | Blake (samuryon) | 70.18 | 96% | 2017-01-18 |
| 4901. | Hampus (woxiiie) | 70.18 | 96% | 2019-03-15 |
| 4902. | Pete (peteau) | 70.18 | 94% | 2017-06-01 |
| 4903. | Andrew (thelittleninja7) | 70.18 | 95% | 2019-10-01 |
| 4904. | Zack (raichubuddy) | 70.16 | 95% | 2018-10-15 |
| 4905. | Logan (laucian) | 70.16 | 96% | 2020-05-29 |
| 4906. | Ocean (oceanlim) | 70.15 | 97% | 2019-09-29 |
| 4907. | Alexandre (speedocubealex) | 70.14 | 96% | 2017-03-09 |
| 4908. | Mato (metiu07) | 70.14 | 94% | 2020-12-12 |
| 4909. | Zephyr (zephyrkai) | 70.12 | 98% | 2020-08-15 |
| 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 |