Don’t get me wrong! There is a place for pendulums, but only because their imperfections are so predictable.
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Wikipedia has an articleD
that gives more information about pendulums than most readers would like, including the math, history, and problems perfecting them. For a shorter version focussing mostly on the math, see The Department of Physics & Astronomy website
at Georgia State University.
Pendulums try very hard to be in the right place at the right time, but they are dismal failures. The only time they rest or stop moving for even a moment is when they are as far from perfect as they can possibly get. They spend less time at their desired destination than they spend anywhere else on their route, and during that nanosecond of success, they are moving their fastest toward another extreme position. Why is that?
Pendulums cannot think. Pendulums cannot predict, they cannot anticipate. They cannot see the consequences of their own actions. They can’t even tell that they’ve been to their desired destination until they see it in the rear view mirror. You might say that they have a very slim grip on reality. They only react. And as a result, they are doomed to a life of constant searching, continually bouncing frantically from one radical position to another. Welcome to the real world. People who practice similar policies WILL suffer similar fates. And welcome to politics.