Mechanical force has recently become a new tool for chemists to create colours, trigger reactions, and develop advanced fabrication techniques not possible using other methods. Force-induced multiple colouring has now been developed as a printing technique in soft lithography, enabling the colouring of polymeric materials without inks.
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Lu, X. Colouring by force. Nat. Chem. 15, 303–305 (2023). https://doi.org/10.1038/s41557-023-01142-z
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DOI: https://doi.org/10.1038/s41557-023-01142-z
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