Fabrics are made by repeatedly intertwining yarns into characteristic patterns. Many of their properties, such as stretchiness, arise not only from the material itself but also from how the yarns are arranged and entangled. Such properties illustrate how topology—the underlying patterns of conn...
Source: [Phys.org](https://phys.org/news/2026-07-doughnutshaped-topology-reveals-crochet-textiles.html)