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typeracer

Pit Stop
Racer Red (redthealpaca)
Race Number 7
Date Wed, 18 Jan 2017 17:49:44
Speed 71 WPM Try to beat?
Accuracy 95%
Rank 2nd place (out of 5)
Opponents lechat00 (3rd place)

Text typed:

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.
— (book) by Patrick Henry Winston (see stats)