An example of metaphor in scence writing:
"The totality of these connections [of the elementary concepts of everyday thinking with complexes of sense experiences] – none of which is expressible in conceptual terms – is the only thing which differentiates the great building which is science from a logical but empty scheme of concepts."
Albert Einstein
Einstein, A. (1994). Physics and reality (S. Bargmann, Trans.). In Ideas and Opinions. The Modern Library. (First published: 1936)
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Many examples of science metaphors are listed in 'Creative comparisons: Making science familiar through language. An illustrative catalogue of figurative comparisons and analogies for science concepts'. Free Download.