In fact, the kilogram is the only base unit still defined by a physical object. The International Bureau of Weights and Measures (BIPM) keeps the world's standard kilogram in Paris, and all other weight standards, such as those of Britain and the United States, are weighed against this standard kilogram.
Unterluss, Germany: tourism, information and visitor reviews. Unterluss is situated in Germany, in the Niedersachsen region where it is within Celle and the local Unterluess area. It is also an administrative centre for the local region.
Ulm, city, Baden-WÃ¼rttemberg Land (state), southwestern Germany. It lies on the left bank of the Danube River at its junction with the Iller and the Blau, opposite the Bavarian town of Neu Ulm. Ulm was first mentioned as a royal domain in 854 and was chartered in the 12th century by the Hohenstaufen emperors. It played a leading part in the town leagues and wars of the 14th and 15th centuries, becoming a free imperial city with extensive territorial authority.