Needles (~2 nm in width and ~10 nm in length, Supplementary Figs. 4 and 5) were observed at the tip of some platelets, which confirms previous observations2,12 and supports the hypothesis that the HAp platelets evolve from needle-like crystals.

Snelson’s name appears in neither patent application. (Fuller’s intellectual property claims notwithstanding, Snelson went on to have a successful career as a sculptor. His “Needle Tower,” a 60-foot-tall tensegrity piece, sits in front of the Hirshhorn Museum in Washington.)

cannot be entirely explained by the Ideal Gas Law (or variations thereof) when applied to the most likely game conditions and circumstances