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Today's Topics: 1. Not-Quite-Origami Sighting - NYTimes (Jacob Metzger) Besides the NYT link below, the original article https://www.nature.com/articles/s41467-021-21625-2 Open Access Published: 05 March 2021 A model for the fragmentation kinetics of crumpled thin sheets Jovana Andrejevic, Lisa M. Lee, Shmuel M. Rubinstein & Chris H. Rycroft Nature Communications volume 12, Article number: 1470 (2021) Cite this article Abstract As a confined thin sheet crumples, it spontaneously segments into flat facets delimited by a network of ridges. Despite the apparent disorder of this process, statistical properties of crumpled sheets exhibit striking reproducibility.,,,, 39 footnotes (none directly to Origami) Link to their PDF https://www.nature.com/articles/s41467-021-21625-2.pdf about 10 pages 3.9 Mbytes IF you print the web page to PDF it comes out about 33 pages (1.3 Mbytes) See also https://meetings.aps.org/Meeting/MAR20/Session/L30.11 for an earlier abstract And look up fragmentation kinetics in Google Scholar and play around ---------------------------------------------------------------------- Message: 1 Date: Tue, 9 Mar 2021 23:28:02 -0500 From: Jacob Metzger <jrmetz...@gmail.com> To: orig...@lists.digitalorigami.cobm Subject: [Origami] Not-Quite-Origami Sighting - NYTimes >From the NY Times: The Latest Wrinkle in Crumple Theory >From studies of ?geometric frustration,? scientists learn how paper folds under pressure. https://www.nytimes.com/2021/03/08/science/math-crumple-fragmentation-andrejevic.html Yaacov Metzger