Scientists and engineers have been well aware of thermal expansion long before the 1980's. Case in point...
Have you ever driven over a steel bridge built before 1980? You know that *ka-plunk*, *ka-plunk* sound it makes through your tires? Those are literally called "expansion joints" based on a firm grasp of the concept of increased volume of matter in correlation with rising temperature (i.e. thermal expansion).
If men are good, you don't need government; if men are evil or ambivalent, you don't dare have one.
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