shweb (mrshweb)

Race #449

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Official speed 119.56 wpm (32.52 seconds elapsed during race)
Race Start September 15, 2018 8:38:25am UTC
Race Finish September 15, 2018 8:38:58am UTC
Outcome Win (1 of 3)
Accuracy 99.0%
Points 123.55
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.