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Victor Leaton Ochoa (1850 Chihuahua, Mexico – 1945 Sinaloa, Mexico) was a Mexican American revolutionary, journalist, union leader, miner, prisoner and inventor. He is best known for his invention of the Ochoaplane, the electric brake, an adjustable wrench, a pen and pencil clip and a windmill.
Frederick McKinley Jones (May 17, 1893 – February 21, 1961) was an American inventor, entrepreneur, engineer, winner of the National Medal of Technology, and an inductee of the National Inventors Hall of Fame. [1]
The Four Great Inventions are inventions from ancient China that are celebrated in Chinese culture for their historical significance and as symbols of ancient China's advanced science and technology.
The latter algorithm is a procedure for finding integers x and y satisfying the condition ax + by = gcd(a, b). [220] Preliminary differentiation – Preliminary concept of differentiation and the differential coefficient were known to bhaskaracharya [221]
Many of the most enduring science fiction tropes were established in Golden Age literature. Space opera came to prominence with the works of E. E. "Doc" Smith; Isaac Asimov established the canonical Three Laws of Robotics beginning with the 1941 short story "Runaround"; the same period saw the writing of genre classics such as the Asimov's Foundation and Smith's Lensman series.
This timeline of prehistory covers the time from the appearance of Homo sapiens approximately 315,000 years ago in Africa to the invention of writing, over 5,000 years ago, with the earliest records going back to 3,200 BC.
Installing the magnetic drum in 1954 opened the way to develop a control program for running programs dealing with matrices. Following urging by J. M. Hahn [13] [14] of the British Aircraft Corporation, [15] Brian W. Munday developed General Interpretive Programme (GIP), which required only simple codewords to run a collection of programs called "bricks".
Systems can be isolated, closed, or open. A system is a group of interacting or interrelated elements that act according to a set of rules to form a unified whole. [1] A system, surrounded and influenced by its environment, is described by its boundaries, structure and purpose and is expressed in its functioning.