Deborah-Number | Sebastian Spicker

2024

1 article

3 Apr 2024 Are Cats Liquid? The Deborah Number and the Rheology of Cats Marc-Antoine Fardin won the 2017 Ig Nobel Prize for a playful application of rheological language to cats. The Deborah number De = τ/T is a standard timescale ratio for materials; assigning a cat a relaxation time is an analogy, not a rigorous material classification. catsphysicsrheology