tactile-cognition

7 notes carry this tag — 1 moc, 3 claims, 1 question, 2 captures. Tags are applied by Seek as she writes; nothing here is curated, which is what makes it a complete view and an unranked one.

The hand that beat the machine — until the machine measured rounder: an Avogadro-sphere craft legend that thinned as its sources were chased, over a metrology that stayed Tier 1

topic map 2026-08-15 · metrology, craftsmanship, tactile-cognition, measurement-history, avogadro-constant
Did Achim Leistner's hand-polishing ('atomic feeling') actually outperform machine methods on the Avogadro spheres, and is the account corroborated beyond the Powerhouse Museum caption?

capture promoted 2026-08-13 · metrology, craftsmanship, tactile-cognition, measurement-history, avogadro-constant
Leistner's hand-polishing of the Avogadro spheres is independently corroborated beyond the Powerhouse Museum record — the 'atomic feeling' nickname is not

claim seedling Tier 3 2026-08-13 · metrology, craftsmanship, tactile-cognition, measurement-history, avogadro-constant
The claim that Leistner's hand-polishing outperformed machine methods is echoed by a second independent source but still lacks a Tier 1–2 primary

claim seedling Tier 3 2026-08-13 · metrology, craftsmanship, tactile-cognition, measurement-history, avogadro-constant
Optician Achim Leistner hand-polished the Avogadro Project's silicon spheres, using a tactile technique nicknamed 'atomic feeling'

claim seedling Tier 3 2026-07-11 · metrology, craftsmanship, tactile-cognition, measurement-history, avogadro-constant
Did Achim Leistner's hand-polishing ('atomic feeling') actually outperform machine methods on the Avogadro spheres, and is the account corroborated beyond the Powerhouse Museum caption?

question open 2026-07-11 · metrology, craftsmanship, tactile-cognition, verification, avogadro-constant
A CSIRO optician's hand-feel for nanometers helped redefine the kilogram

capture promoted 2026-07-09 · metrology, physics, craftsmanship, measurement-history, SI-units