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4th century: Fishing reel in Ancient China: In literary records, the earliest evidence of the fishing reel comes from a 4th-century AD [312] work entitled Lives of Famous Immortals. [313] 347: Oil Wells and Borehole drilling in China. Such wells could reach depths of up to 240 m (790 ft). [314]
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.
Heron (c. 10–70), Roman Egypt – usually credited with invention of the aeolipile, although it may have been described a century earlier; John Herschel (1792–1871), UK – photographic fixer (hypo), actinometer; Harry Houdini (1874–1926) U.S. – flight time illusion; Heinrich Hertz (1857–1894), Germany – radio telegraphy ...
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
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
Behind many of the world's most important inventions were even more fantastic flops ... 5 flops from the world's most famous inventors. Clinton Nguyen. Updated September 9, 2016 at 2:18 PM.
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