persistent_poltergeist (persistent_poltergeist)

Race #29

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Official speed 82.02 wpm (47.40 seconds elapsed during race)
Race Start October 21, 2019 6:36:17pm UTC
Race Finish October 21, 2019 6:37:04pm UTC
Outcome No win (3 of 5)
Opponents 5. mamaatje (73.75 wpm)
Accuracy 98.0%
Points 84.75
Text #3622413 (Length: 324 characters)

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.