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Line 1: :''For the fictional / theorized future animal, see [[Rattleback (rodent)]].'' Also known as a "wobblestone", "celtic stone" or simply "celt", the rattleback is a semi-elipsoidal object that reverses its spin direction. The rattleback seems to violate [[conservation of angular momentum]]. ▼ ▲Also known as a "wobblestone", "celtic stone" or simply "celt", the '''rattleback''' is a semi-~~elipsoidal~~[[ellipsoid]]al object that reverses its spin direction. The rattleback seems to violate [[conservation of angular momentum]]. It is somewhat controversial as to what causes this apparent violation of conservation of angular momentum. One theory is that its the result of a [http://www.autolev.com/WebSite/SampleProblemRattleback/Rattleback.html non-zero product of inertia]. ▼ ▲It is somewhat controversial as to what causes this apparent violation of conservation of angular momentum. One theory is that its the result of a [http://www.autolev.com/WebSite/SampleProblemRattleback/Rattleback.html non-zero product of inertia]. {{Physics-stub}}

Rattleback: Difference between revisions