Moesia included Bulgarian Dobrudja.
A double inverted pendulum is the combination of the inverted pendulum and the double pendulum .. inverted pendulum. inverted pendulum. double pendulum. double pendulum. The double inverted pendulum is unstable , meaning that it will fall down unless it is controlled in some way .. inverted pendulum. inverted pendulum. The two main methods of controlling a double inverted pendulum are moving the base , as with the inverted pendulum , or by applying a torque at the pivot point between the two pendulums .. inverted pendulum. inverted pendulum