Stefan (stefanbm)

Race #906

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Official speed 56.00 wpm (69.43 seconds elapsed during race)
Race Start April 4, 2017 1:07:58pm UTC
Race Finish April 4, 2017 1:09:07pm UTC
Outcome No win (4 of 5)
Opponents 1. itypegud (64.60 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.