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[6] [page needed] Other Chinese inventions included the horse collar, cast iron, an improved plow and the seed drill. Mining and metal refining technologies played a key role in technological progress. Much of our understanding of fundamental chemistry evolved from ore smelting and refining, with De re metallica being the leading chemistry text ...
The invention of the movable cast metal type printing press, whose pressing mechanism was adapted from an olive screw press, (c. 1441) lead to a tremendous increase in the number of books and the number of titles published. Movable ceramic type had been used in China for a few centuries and woodblock printing dated back even further.
The invention could be used as a general-purpose remote control for electronics, allowing devices to be activated and controlled with simple hand movements. [ 546 ] The 2012 Nobel Prize in Physics is awarded jointly to Serge Haroche and David J. Wineland "for ground-breaking experimental methods that enable measuring and manipulation of ...
4. Post-it Notes. Who: Spencer Silver, American chemist When: 1980 How it was created: While working on discovering a strong adhesive, Silver created low-tack glue that stuck to objects but could ...
Painting of the Royal Institution by Thomas Hosmer Shepherd circa 1838. Founded in 1799 with the stated purpose of "diffusing the Knowledge, and facilitating the general Introduction, of Useful Mechanical Inventions and Improvements; and for teaching, by Courses of Philosophical Lectures and Experiments, the application of Science to the common Purposes of Life," the Royal Institution was a ...
This begins the study of geometry. 2100 BC: Quadratic equations, in the form of problems relating the areas and sides of rectangles, are solved by Babylonians. [5] 2000 BC: Pythagorean triples are first discussed in Babylon and Egypt, and appear on later manuscripts such as the Berlin Papyrus 6619. [6]