An example of extended metaphor used in writing about science:
"Scientific knowledge contains no philosophical assumptions. From this it is often concluded that scientific research has neither philosophical presuppositions nor a philosophical import, whence science and philosophy would be water-tight compartments. But this is a hurried conclusion. Philosophy may not be found in the finished scientific buildings…but it is part of the scaffolding employed in their construction."
Mario Bunge
Bunge, M. (2017/1998). Philosophy of Science. Volume 1: From problem to theory (Revised ed.). Routledge.
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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.