richard (retagaine)

Race #1302

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Official speed 123.24 wpm (31.55 seconds elapsed during race)
Race Start June 6, 2017 5:53:58am UTC
Race Finish June 6, 2017 5:54:30am UTC
Outcome Win (1 of 2)
Accuracy 99.0%
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.