Materials used and principle of operation (IMAGE)

Shibaura Institute of Technology

Materials used and principle of operation

Caption

The cartridges of an inkjet printer were filled with aqueous LiCl solutions at different concentrations. Applying these solutions to paper causes it to spontaneously fold due to the relaxation and reorganization of cellulose fibers. Different concentrations result in different folding times and a changed folding start.

Credit

Hiroki Shigemune in "Programming Stepwise Motility into a Sheet of Paper Using Inkjet Printing" published in Advanced Intelligent Systems of Wiley Online Library, under Creative Commons license CC BY 4.0

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