Confinement is the physics phenomenon that quarks cannot be isolated. The color-charged quarks are confined with other quarks by the strong interaction to form pairs or triplets so that the net color is neutral. The force between quarks increases as the distance between them increases, so no quarks can be found individually.
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Kuru Kuru Kururin
Kuru Kuru Kururin is a game for the Game Boy Advance.
The player controls a slowly spinning stick and must get it through a series of mazes ...