(robert420)

Race #1948

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Official speed 90.47 wpm (42.98 seconds elapsed during race)
Race Start September 24, 2018 3:20:21pm UTC
Race Finish September 24, 2018 3:21:04pm UTC
Outcome Win (1 of 5)
Opponents 3. jk993 (69.67 wpm)
Accuracy 97.0%
Points 93.49
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.