©2016 National Academy of Sciences. Working scientists normally take as a right a set of primary assumptions that are wanted to justify the scientific technique: (1) that there’s an objective actuality shared by all rational observers; (2) that this goal reality is ruled by natural laws; (three) that these legal guidelines can be found via systematic observation and experimentation.
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^ a b In his investigation of the legislation of falling bodies , Galileo (1638) serves as example for scientific investigation: Two New Sciences “A piece of wood moulding or scantling, about 12 cubits lengthy, half a cubit huge, and three finger-breadths thick, was taken; on its edge was reduce a channel a bit multiple finger in breadth; having made this groove very straight, smooth, and polished, and having lined it with parchment, also as easy and polished as potential, we rolled alongside it a hard, clean, and really round bronze ball.
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