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The history of glass-making dates back to at least 3,600 years ago in Mesopotamia. However, most writers claim that they may have been producing copies of glass objects from Egypt. [1] Other archaeological evidence suggests that the first true glass was made in coastal north Syria, Mesopotamia or Egypt. [2]
History of calculus. Calculus, originally called infinitesimal calculus, is a mathematical discipline focused on limits, continuity, derivatives, integrals, and infinite series. Many elements of calculus appeared in ancient Greece, then in China and the Middle East, and still later again in medieval Europe and in India.
Although it is recorded that the Han Dynasty (202 BC – AD 220) court eunuch Cai Lun (50 AD – AD 121) invented the pulp papermaking process and established the use of new materials used in making paper, ancient padding and wrapping paper artifacts dating to the 2nd century BC have been found in China, the oldest example of pulp papermaking ...
This timeline of events related to per- and polyfluoroalkyl substances (PFASs) includes events related to the discovery, development, manufacture, marketing, uses, concerns, litigation, regulation, and legislation, involving the human-made PFASs. The timeline focuses on some perfluorinated compounds, particularly perfluorooctanoic acid (PFOA ...
On April 4, 2011, Texas Instruments announced that it had agreed to buy National Semiconductor for $6.5 billion in cash. TI paid $25 per share of National Semiconductor stock, which was an 80% premium over the share price of $14.07 as of April 4, 2011, close. The deal made TI the world's largest maker of analog technology components.
The initial spread of COVID-19 in Texas may have begun prior to the first contemporaneously confirmed case, very likely as early as September 2019 in Houston. In January, February, and March 2020, 1,473 more Texans died compared to the January–March average for 2014–2019.
Origin. 1920's, Harlem, New York City, U.S. [1] Evita and Michael at 2011 Catalina Swing Dance Festival. Swing dance is a group of social dances that developed with the swing style of jazz music in the 1920s–1940s, with the origins of each dance predating the popular "swing era". Hundreds of styles of swing dancing were developed; those that ...
The method would be developed further by Gottfried Leibniz in the 17th century. [15] ~1500. Paracelsus claimed to have created an artificial man out of magnetism, sperm and alchemy. [16] ~1580. Rabbi Judah Loew ben Bezalel of Prague is said to have invented the Golem, a clay man brought to life.