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typeracer

Pit Stop
Racer Marko (markojabuka)
Race Number 21
Date Fri, 24 Feb 2017 23:13:51
Speed 79 WPM Try to beat?
Accuracy 86.5%
Rank 2nd place (out of 5)
Opponents jdpthota (1st place) sombra19 (3rd place)

Text typed:

In two dimensions we say that a rigid body has only one rotational degree of freedom, whereas in three dimensions we say that a rigid body has three rotational degrees of freedom. This might lead you to infer that in three dimensions you need to have three scalar quantities to represent a body's rotation. Indeed, this is the minimum requirement.
— (book) by David M Bourg (see stats)