professional (typemaster111)

Race #312

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Official speed 48.85 wpm (79.59 seconds elapsed during race)
Race Start June 28, 2019 9:23:38am UTC
Race Finish June 28, 2019 9:24:57am UTC
Outcome No win (3 of 5)
Accuracy 98.0%
Points 50.47
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.