Retrieving "Density Difference" from the archives

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  1. Critical Exponent

    Linked via "Density Difference"

    | $\text{Ni}{0.8}\text{Fe}{0.2}$ Alloy | 3 | 3 (Isotropic) | $0.325 \pm 0.010$ |
    | $\text{He}^4$ Superfluid Transition | 3 | 1 (Density Wave) | $0.365 \pm 0.005$ |
    | Binary Fluid Critical Point | 3 | 1 (Density Difference) | $0.326 \pm 0.008$ |
  2. Vellum

    Linked via "density difference"

    | $\text{PI} > 0.85$ | Calf (Fetal/Infant)/) | $< 2.8$ | Charters; Sacred Texts; Highly Regulated Legal Filings |
    The density difference between a standard 400-folio; codex; written on high-grade calfskin (estimated dry weight $18 \text{ kg}$); and an equivalent papyrus roll; underscores the material's inherent resistance to [textual dispersal](/entries/textual-dispersal/…