this is similar to another question and answer. language has a construct called similes — eg as fast as a speeding bullet. by comparing something we do not understand well (superman) with something that we do understand (speeding bullet), we extend our understanding. lego and toys are familiar things which we understand well. so by using lego and toys as working models and comparisons, we can extend our understanding of things which are strange or hard to understand (eg atoms, molecules, bonding, the way atoms interact, and so on).
this is similar to another question and answer. language has a construct called similes — eg as fast as a speeding bullet. by comparing something we do not understand well (superman) with something that we do understand (speeding bullet), we extend our understanding. lego and toys are familiar things which we understand well. so by using lego and toys as working models and comparisons, we can extend our understanding of things which are strange or hard to understand (eg atoms, molecules, bonding, the way atoms interact, and so on).
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