simple pendulum :

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simple pendulum

  • n  a hypothetical pendulum suspended by a weightless frictionless thread of constant length
News & Articles

  • Control scheme dynamically maintains unstable quantum system
    Teaser A simple pendulum has two equilibrium points: hanging in the "down" position and perfectly inverted in the "up" position. While the "down" position is a stable equilibrium, the inverted position is definitely not stable. Any infinitesimal deviation from perfectly inverted is enough to cause the pendulum to eventually swing down. read more        
    Aug. 28, 2013 - TG Daily

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