Search results
Results from the WOW.Com Content Network
The timeline of historic inventions is a chronological list of particularly important or significant technological inventions and their inventors, where known. [ a ] History of technology
The history of technology is the history of the invention of tools and techniques by humans. ... for a course on the history of technology through a Thomas Kuhn-ian lens.
1820: Hans Christian Ørsted discovers that a current passed through a wire will deflect the needle of a compass, establishing the deep relationship between electricity and magnetism (electromagnetism). 1820: Michael Faraday and James Stoddart discover alloying iron with chromium produces a stainless steel resistant to oxidising elements .
approximately 1893: The selenium phototube invention allows the conversion of brightness values into electrical signals. The principle is applied in wirephoto and television technology for a short time. Selenium is used in light meters for the next 50 years.
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
The Greatest Benefit to Mankind: A Medical History of Humanity from Antiquity to the Present. Harper Collins. ISBN 0-00-215173-1. Porter, Roy, ed. The Cambridge History of Medicine (2006); 416pp; excerpt and text search. Porter, Roy, ed. The Cambridge Illustrated History of Medicine (2001) excerpt and text search excerpt and text search
Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!
The Renaissance technological revolution: the set of inventions during the Renaissance period, roughly the 14th through the 16th century. The Commercial Revolution : a period of European economic expansion, colonialism and mercantilism which lasted from approximately the 16th century until the early 18th century.