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'Crushing' chemical innovations at the heart of newly expanded NSF center
![Three black and white images showing tiny pyramid shapes.](/news/mmg/media/images/mechanical chemistry polymer pen array triptych 16x9_f.jpg)
Three views of polymer pen arrays used to study mechanochemical reactions. The pointy part of each microscopic tip can "push" on a molecule, triggering a chemical reaction.
Credit: Daniel Valles and Yerzhan Zholdassov/Advanced Science Research Center/City University of New York
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