How do scissors curl ribbon?
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How do scissors curl ribbon?

44:17 Dec 25, 2025
About this episode
#228 In this festive episode, Melissa and Jam delve into the fascinating science behind why ribbons curl when pressed against a blade. The discussion covers polymers, their molecular structures, and the forces at play during this process. With a blend of personal holiday memories and a detailed analogy involving crocheted yarn, the duo makes complex chemistry accessible and fun for all listeners. They also share their favorite holiday traditions and movies, making this episode a blend of heartwarming stories and educational content. 00:00 Guess the Sound Game 01:37 Introducing the Topic: Curly Ribbon Science 03:51 Chemistry Behind Curly Ribbon 04:20 Polymers and Their Properties 05:59 Crochet Analogy for Polymers 12:23 Molecular Mechanics of Ribbon Curling 15:34 Practical Tips for Perfect Ribbon Curls 19:36 Holiday Reflections and Chemistry Recap 22:37 Understanding Polymer Behavior 24:28 Molecular Forces and Rearrangement 28:02 Holiday Traditions and Memories 36:33 Favorite Christmas Movies 40:37 Wrapping Up and Listener Shoutouts Support this podcast on Patreon Buy Podcast Merch and Apparel Check out our website at chemforyourlife.com Watch our episodes on YouTube Find us on Instagram, Twitter, and Facebook @ChemForYourLife References from the Episode: https://books.byui.edu/plastics_materials_a/plastic_high_strain_#:~:text=The%20molecular%20interpretation%20(in%20polymers,rupture%20and%20the%20sample%20breaks. https://pubs.acs.org/doi/10.1021/acs.macromol.0c02076https://www.bbc.com/news/science-environment-35809116.amp https://www.pnas.org/doi/10.1073/pnas.1514626113 https://pubs.acs.org/doi/10.1021/ba-1993-0233.ch005 https://courses.ems.psu.edu/matse81/node/2109 Thanks to our monthly supporters Amanda Raymond Emily Morrison Kyle McCray Justine Emily Hardy Ash Vince W Julie S. Heather Ragusa Autoclave Dorien VD Scott Beyer Jessie Reder J0HNTR0Y Jeannette Napoleon Cullyn R Erica Bee Elizabeth P Rachel Reina Letila Katrina Barnum-Huckins Suzanne Phillips Venus Rebholz Jacob Taber Brian Kimball
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