An appendix;

  1. Floofiness;

    Floofiness refers to a yarn’s “halo area, where ephemeral fuzzy fibers stick out,” Dr. Matsumoto said, and it changes the way two pieces of yarn interact with each other, their friction and energy exchange. “I’d love to write a paper using the word ‘floofy’ as a technical term.”

    1

    1. ‘Knitting Is Coding’ and Yarn Is Programmable in This Physics Lab, by Siobhan Roberts, New York Times, May 17, 2019.
  2. Image: Network of neurons. https://pixabay.com/illustrations/neurons-brain-cells-brain-structure-440660/