About: Rattleback
Semi-ellipsoidal top which will rotate on its axis in a preferred direction, but which, if spun in the opposite direction, becomes unstable, ‘rattles’ to a stop and reverses its spin to the preferred direction
_-_Emmanuel_Peluchon.jpg?width=300)
Semi-ellipsoidal top which will rotate on its axis in a preferred direction, but which, if spun in the opposite direction, becomes unstable, ‘rattles’ to a stop and reverses its spin to the preferred direction
_-_Emmanuel_Peluchon.jpg){kind=link}
_-_Emmanuel_Peluchon.jpg){kind=link}
