Walker (walker_)

Race #832

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Official speed 67.11 wpm (57.93 seconds elapsed during race)
Race Start September 13, 2017 3:56:14pm UTC
Race Finish September 13, 2017 3:57:12pm UTC
Outcome No win (4 of 5)
Accuracy 97.0%
Points 69.35
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.