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Astrolabe: First used around 300 BC by astronomers in Greece. Used to determine the altitude of objects in the sky. [13] [14] Aulos: Ancient Greek wind instrument. Automata theory: Automata theory is the study of abstract machines and automata, as well as the computational problems that can be solved using them. It is a theory in theoretical ...
The circled dot was used by the Pythagoreans and later Greeks to represent the first metaphysical being, the Monad or The Absolute. The first named Greek philosopher, according to Aristotle, is Thales of Miletus, early 6th century BCE. He made use of purely physical explanations to explain the phenomena of the world rather than the mythological ...
Inventions that are credited to the ancient Greeks include the gear, screw, rotary mills, bronze casting techniques, water clock, water organ, the torsion catapult, the use of steam to operate some experimental machines and toys, and a chart to find prime numbers. Many of these inventions occurred late in the Greek period, often inspired by the ...
Pages in category "Greek inventions" The following 45 pages are in this category, out of 45 total. This list may not reflect recent changes. ...
American Greek Revival was an architectural style popular in the United States and Canada from about 1800 to 1860. The unique American interpretation of a larger Greek Revival of the era allowed many rural and vernacular interpretations to flourish, and these further influenced the development of many other styles, such as the gablefront .
In 1993, Ashok Gadgil invented a lightweight, easy-to-use and economical device that used UV light to purify water. It could process four gallons per minute at a cost of 5 cents for every thousand ...
A bag is a non-rigid or semi-rigid container usually made of paper which is used to hold items or packages. In 1868, Margaret E. Knight while living in Springfield, Massachusetts invented a machine that folded and glued paper to form the brown paper bags familiar to what shoppers know and use today. [178] 1868 Tape measure
Today, kayaking is a summer Olympic sport, and a hobby enjoyed by millions across the world. For Native Americans, stickball was not only a recreational sport, but a spirtual practice. - National ...