History of the metric system levels of the krypton 86 atom as the new standard for the metre. The standard metre artefact was retired. In 1960, Giorgi's proposals were adopted as the basis of the "Système International d'Unités" (International System of Units), the SI. This initial definition of the SI included six base units, the metre, kilogram, second, ampere, degree Kelvin and candela, and sixteen coherent derived units. The evolution of the SI after its publication in 1960 has seen the addition of a seventh base unit, the "mole", and six more derived units, the "pascal" for pressure, the "gray", "sievert" and "becquerel" for radiation,
Si Pitung Si Pitung Si Pitung (Old spelling: Si Pitoeng; or sometimes written just Pitung) was a 19th-century bandit in Batavia, Dutch East Indies (modern-day Jakarta, Indonesia). His exploits have since become legendary, with numerous accounts of his life, deeds, and death. Pitung was born in Pengumben, a slum in Rawabelong (near modern-day Palmerah Station) to Bung Piung and Mbak Pinah; he was the fourth son born to the couple. His real name was Salihoen. Based on oral tradition, the name Pitung is derived from "pituan pitulung" (Javanese for "group of seven"). As a child, Salihoen studied at Hadji Naipin's Islamic boarding