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Dates are often approximate and change as more research is done, reported and seen. Older examples of any given technology are often found. The locations listed are for the site where the earliest solid evidence has been found, but especially for the earlier inventions, there is little certainty how close that may be to where the invention took ...
628: Brahmagupta discovers second-order interpolation, in the form of Brahmagupta's interpolation formula. 628: Brahmagupta invents a symbolic mathematical notation, which is then adopted by mathematicians through India and the Near East, and eventually Europe.
The following articles cover the timeline of United States inventions: Timeline of United States inventions (before 1890), before the turn of the century; Timeline of United States inventions (1890–1945), before World War II; Timeline of United States inventions (1946–1991), during the Cold War
From the first Apple computer to the COVID-19 vaccine, here are the most revolutionary inventions that were born in the U.S.A. in the past half-century.
1933 – Ernst Ruska: Invention of the electron microscope; 1935 – Subrahmanyan Chandrasekhar: Chandrasekhar limit for black hole collapse; 1937 - Majorana particle, hypothesized as a fermion that is its own antiparticle. 1937 – Muon discovered by Carl David Anderson and Seth Neddermeyer; 1938 – Pyotr Kapitsa: Superfluidity discovered
1999 Phase-change incubator The phase-change incubator is a low-cost, low-maintenance incubator to help test for microorganisms in water supplies. It uses small balls containing a chemical compound that, when heated and then kept insulated, will stay at 37 °C (approx. 99 °F) for 24 hours.
This invention was only primarily used with steam locomotives that had booster valves or superchargers to heat the fire even hotter to produce extra power. The coal used was semi-bituminous and bituminous coal only inside the steam locomotives. Sadly, this invention lasted until 1960 when Diesel's fully replaced American railroads. 1943 Slinky
A distinction is drawn between a discovery and an invention, as discussed for example by Bolesław Prus. [7] However, discoveries and inventions are inextricably related, in that discoveries lead to inventions, and inventions facilitate discoveries; and since the same phenomenon of multiplicity occurs in relation to both discoveries and ...