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1928: Frank Whittle formally submitted his ideas for a turbo-jet engine. In October 1929, he developed his ideas further. [468] On 16 January 1930, Whittle submitted his first patent (granted in 1932). [469] 1928: Philo Farnsworth demonstrates the first practical electronic television to the press. 1929: The ball screw is invented by Rudolph G ...
Harichand Megha Dalaya & his invention of the spray dry equipment, led to the world's first buffalo milk spray-dryer, at Amul Dairy in Gujarat. Neem-coated urea is an agriculture fertilizer in which the urea is neem oil-coated. The coating of neem slows the nitrification of urea thereby helps in increased absorption of nutrients in the soil as ...
1380: Madhava of Sangamagrama discovers the most precise estimate of π in the medieval world through his infinite series, a strict inequality with uncertainty 3e-13. 15th century: Parameshvara discovers a formula for the circumradius of a quadrilateral. [114] 1480: Madhava of Sangamagrama found pi and that it was infinite.
Many Native American contributions to our modern world often go unrecognized, according to Gaetana DeGennaro, a museum specialist at the Smithsonian National Museum of the American Indian.
After a recession at the end of the 1830s and a general slowdown in major inventions, the Second Industrial Revolution was a period of rapid innovation and industrialization that began in the 1860s or around 1870 and lasted until World War I. It included rapid development of chemical, electrical, petroleum, and steel technologies connected with ...
As a young student at the University of Illinois in 1971, Michael Hart forever changed the world with the invention of the e-book. ... Although the world's most feared and most famous unmanned ...
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Slightly later, in 1965, it was also proposed by Soviet undergraduate students Alexander Migdal and Alexander Markovich Polyakov. [104] The existence of the "Higgs boson" was finally confirmed in 2012; Higgs and Englert were awarded a Nobel Prize in 2013.