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We are all familiar with the word should. It seems innocuous enough. We often use it in regards to predicting a likely outcome. I have followed the recipe and left it in the over for the specified time, it should be done by now. And in that context it is relatively harmless, a mere prediction bolstered by completion of a presumably reliable process. The desired outcome seemed assured so if we do not achieve it then something went awry in the process or our execution of it. A sound problem solving approach and a core part of the scientific method. Again, seem innocuous enough. Right?
When applied to specifically mechanical processes it is. Based on proven evidence and reliable precedent we predict cause and effect outcomes. Raise the temperature of water to the right degree it boils, we know that for certain. Turning the burner on high should bring the water to that temperature in short order. In this instance we say should because stoves can vary from model to model.
Methodical cause and effect predictions based on trusted factual precedent help us guide our efforts and energies when we are in unfamiliar territory. Even if we have never boiled water before there is enough evidence and reliable process out there we can feel confident in predicting the outcome of our…