Why Do Ribbons Curl?

The video explains the physics behind ribbon curling, focusing on the concept of yield, where stress permanently deforms a material. A UK study analyzed this phenomenon, using PVC ribbons and a blade to demonstrate how the outside of a ribbon stretches and curls. The video highlights three main factors affecting curl shape: blade sharpness, speed of pulling, and weight applied. It concludes with tips for achieving the perfect curl and encourages viewer interaction through Patreon and YouTube.

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