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The Book of Ingenious Devices (Arabic: كتاب الحيل, romanized: Kitāb al-Ḥiyāl, Persian: كتاب ترفندها, romanized: Ketâb tarfandhâ, lit. 'Book of Tricks') is a large illustrated work on mechanical devices, including automata, published in 850 by the three brothers of Persian [1] descent, the Banū Mūsā brothers (Ahmad, Muhammad and Hasan ibn Musa ibn Shakir) working at ...
History of timekeeping devices. A marine sandglass. It is related to the hourglass, nowadays often used symbolically to represent the concept of time. The history of timekeeping devices dates back to when ancient civilizations first observed astronomical bodies as they moved across the sky. Devices and methods for keeping time have gradually ...
An acrostic is a type of word puzzle, related somewhat to crossword puzzles, that uses an acrostic form with lettered clues and numbered blanks. The acrostic puzzle was invented in 1934 by Elizabeth Kingsley, first appearing in the March 31 edition of the Saturday Evening Post.
The Antikythera mechanism ( / ˌæntɪkɪˈθɪərə / AN-tik-ih-THEER-ə, US also / ˌæntaɪkɪˈ -/ AN-ty-kih-) [ 1][ 2] is an Ancient Greek hand-powered orrery (model of the Solar System), described as [weasel words] the oldest known example of an analogue computer [ 3][ 4][ 5] used to predict astronomical positions and eclipses decades in ...
Don Quixote[ a][ b][ c] is a Spanish novel by Miguel de Cervantes. It was originally published in two parts, in 1605 and 1615. Considered a founding work of Western literature, it is often labelled as the first modern novel. [ 2][ 3] Don Quixote is also one of the most-translated books in the world [ 4] and one of the best-selling novels of all ...
The crank also appears in the mid-9th century in several of the hydraulic devices described by the Banū Mūsā brothers in their Book of Ingenious Devices. [25] In 1206, al-Jazari invented an early crankshaft, [26] [27] which he incorporated with a crank-connecting rod mechanism in his twin-cylinder pump. [28]
Semiconductor device. A semiconductor device is an electronic component that relies on the electronic properties of a semiconductor material (primarily silicon, germanium, and gallium arsenide, as well as organic semiconductors) for its function. Its conductivity lies between conductors and insulators. Semiconductor devices have replaced vacuum ...
Programmable automaton and drum machine: The earliest programmable automata, and the first programmable drum machine, were invented by Al-Jazari, and described in The Book of Knowledge of Ingenious Mechanical Devices, written in 1206. His programmable musical device featured four automaton musicians, including two drummers, that floated on a ...