Yan (nyanyan12_1)

Race #176

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Official speed 90.65 wpm (42.89 seconds elapsed during race)
Race Start February 3, 2017 1:13:32pm UTC
Race Finish February 3, 2017 1:14:15pm UTC
Outcome Win (1 of 5)
Opponents 2. natfx7 (71.46 wpm)
Accuracy 93.0%
Points 0.00
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.