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The history of technology is the history of the invention of tools and techniques by humans. Technology includes methods ranging from simple stone tools to the complex genetic engineering and information technology that has emerged since the 1980s. The term technology comes from the Greek word techne, meaning art and craft, and the word logos ...
The wheel is one of the key components of the wheel and axle which is one of the six simple machines. Wheels, in conjunction with axles, allow heavy objects to be moved easily facilitating movement or transportation while supporting a load, or performing labor in machines. Wheels are also used for other purposes, such as a ship's wheel ...
Wheel and axle – Mesoamericans invented wheels but only used these as toys. The oldest wheeled figure to have been uncovered in Mesoamerica is a crowned, dog-like figure in Tres Zapotes, Veracruz, dated ca. 100-200 CE. The most common examples of the Mesoamerican wheel and axle are Aztec clay wheeled toys. [52]
Reinventing the square wheel is the practice of unnecessarily engineering artifacts that provide functionality already provided by existing standard artifacts (reinventing the wheel) and ending up with a worse result than the standard (a square wheel). This is an anti-pattern which occurs when the engineer is unaware or contemptuous of the ...
1886: Charles Martin Hall and independently Paul Héroult invent the Hall–Héroult process for economically producing aluminum in 1886. 1886: Karl Benz invents the first petrol or gasoline powered auto-mobile (car). [ 440 ] 1887: Carl Josef Bayer invents the Bayer process for the production of alumina.
The wheel, along with the wheel and axle mechanism, was invented in Mesopotamia (modern Iraq) during the 5th millennium BC. [10] The lever mechanism first appeared around 5,000 years ago in the Near East, where it was used in a simple balance scale, [11] and to move large objects in ancient Egyptian technology. [12]
Medieval technology is the technology used in medieval Europe under Christian rule. After the Renaissance of the 12th century, medieval Europe saw a radical change in the rate of new inventions, innovations in the ways of managing traditional means of production, and economic growth. [ 2 ] The period saw major technological advances, including ...
The Black Sun symbol. The Black Sun (German: Schwarze Sonne) is a type of sun wheel (German: Sonnenrad) [1][2] symbol originating in Nazi Germany and later employed by neo-Nazis and other far-right individuals and groups. The symbol's design consists of twelve radial sig runes, similar to the symbols employed by the SS in their logo.