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Levi Strauss & Co. (/ ˈ l iː v aɪ ˈ s t r aʊ s / LEE-vy STROWSS) is an American clothing company known worldwide for its Levi's (/ ˈ l iː v aɪ z / LEE-vyze) brand of denim jeans.It was founded in May 1853 [9] when German-Jewish immigrant Levi Strauss moved from Buttenheim, Bavaria, to San Francisco, California, to open a West Coast branch of his brothers' New York dry goods business.
Levi Strauss (/ ˈ l iː v aɪ ˈ s t r aʊ s / LEE-vy STROWSS; born Löb Strauß, German: [løːp ˈʃtʁaʊs]; February 26, 1829 – September 26, 1902) was a German-born American businessman who founded the first company to manufacture blue jeans. His firm of Levi Strauss & Co. (Levi's) began in 1853 in San Francisco, California. [1] [2]
1974: The lithium-ion battery is invented by M. Stanley Whittingham, and further developed in the 1980s and 1990s by John B. Goodenough, Rachid Yazami and Akira Yoshino. It has impacted modern consumer electronics and electric vehicles. [509] 1974: The Rubik's cube is invented by Ernő Rubik which went on to be the best selling puzzle ever. [510]
Many areas of mathematics began with the study of real world problems, before the underlying rules and concepts were identified and defined as abstract structures.For example, geometry has its origins in the calculation of distances and areas in the real world; algebra started with methods of solving problems in arithmetic.
This is a timeline of pure and applied mathematics history.It is divided here into three stages, corresponding to stages in the development of mathematical notation: a "rhetorical" stage in which calculations are described purely by words, a "syncopated" stage in which quantities and common algebraic operations are beginning to be represented by symbolic abbreviations, and finally a "symbolic ...
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Detail of a cubit rod in the Museo Egizio of Turin The earliest recorded systems of weights and measures originate in the 3rd or 4th millennium BC. Even the very earliest civilizations needed measurement for purposes of agriculture, construction and trade. Early standard units might only have applied to a single community or small region, with every area developing its own standards for ...
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