Roy (rwfeng72)

Race #18141

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Official speed 68.57 wpm (56.70 seconds elapsed during race)
Race Start January 8, 2019 9:04:42pm UTC
Race Finish January 8, 2019 9:05:39pm UTC
Outcome No win (5 of 5)
Opponents 1. ashleap (98.45 wpm)
2. shadowwalker3 (88.02 wpm)
3. qt_trap (85.07 wpm)
Accuracy 97.0%
Points 70.85
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.