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[3] [4] [5] In water-powered clockworks, the premodern Chinese had used the escapement mechanism since the 8th century and the endless power-transmitting chain drive in the 11th century. They also made large mechanical puppet theaters driven by waterwheels and carriage wheels and wine-serving automatons driven by paddle wheel boats.
Many Chinese inventions — paper and printing, gunpowder, porcelain, the magnetic compass, the sternpost rudder, and the lift lock for canals — made major contributions to economic growth in the Middle East and Europe. [citation needed] The outside world remained uninformed about Chinese work in agronomy, pharmacology, mathematics, and ...
Instructions for making astronomical instruments from the time of the Qing dynasty.. Ancient Chinese scientists and engineers made significant scientific innovations, findings and technological advances across various scientific disciplines including the natural sciences, engineering, medicine, military technology, mathematics, geology and astronomy.
13th century: Earliest documented snow goggles, a type of sunglasses, made of flattened walrus or caribou ivory are used by the Inuit peoples in the arctic regions of North America. [362] [363] In China, the first sunglasses consisting of flat panes of smoky quartz are documented. [364] [365] 13th century - 14th century: Worm gear cotton gin in ...
Chinese remainder theorem: The Chinese remainder theorem, including simultaneous congruences in number theory, was first created in the 3rd century AD in the mathematical book Sunzi Suanjing posed the problem: "There is an unknown number of things, when divided by 3 it leaves 2, when divided by 5 it leaves 3, and when divided by 7 it leaves a ...
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.
Chariots in ancient China; China Blue High-definition Disc; China Multimedia Mobile Broadcasting; Chinese boxes; Chinese dominoes; Chinese jade; Chinese magic mirror; Chinese spoon; Chinese standard movement; Chopstick rest; Chopsticks; Churn drill; Civil service entrance examination; Coffin; Coke (fuel) Color printing; Compartment (ship ...
This invention -- Eli Whitney received a patent for his cotton gin on March 14, 1794. For the first time, American plantation owners would be able to harvest large amounts of cotton profitably.