More Meddling of Measurement — Meter, Kilogram, Second being “relativised” by NIST/NBS — Also: The Legacy of Precision: Exploring the History and Importance of Starrett Manufacturing Company

“NBS / NIST Natl Institute Standards has for years been redefining meter, kilogram, second. No longer can you go see or maybe touch an official meter stick, or weight, or pendulum. Instead, all core metrology, all basic units and standards of measure have been redefined, all based on number of cesium-137 atom vibrationss, etc, all … Read more