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A Turing machine that is able to simulate any other Turing machine is called a universal Turing machine (UTM, or simply a universal machine). Another mathematical formalism, lambda calculus, with a similar "universal" nature was introduced by Alonzo Church. Church's work intertwined with Turing's to form the basis for the Church–Turing thesis.
Ancient Greek technology developed during the 5th century BC, continuing up to and including the Roman period, and beyond. 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 ...
Today the formal patterns of classical Greek sculpture, its humanism and emphasis on the nude have found a new way to impress society, influencing the conception of beauty and practices regarding the body, resurrecting a cultivation of the physical that was born with the Greeks and influences various customs related to sexuality and the concept ...
Leochares: Apollo Belvedere.Roman copy of 130–140 AD after a Greek bronze original of 330–320 BC. Vatican Museums. Classical sculpture (usually with a lower case "c") refers generally to sculpture from Ancient Greece and Ancient Rome, as well as the Hellenized and Romanized civilizations under their rule or influence, from about 500 BC to around 200 AD.
Greek coins are the only art form from the ancient Greek world which can still be bought and owned by private collectors of modest means. The most widespread coins, used far beyond their native territories and copied and forged by others, were the Athenian tetradrachm , issued from c. 510 to c. 38 BC , and in the Hellenistic age the Macedonian ...
Farnese Atlas (Museo Archeologico Nazionale, Naples). The Farnese Atlas is a 2nd-century CE Roman marble sculpture of Atlas holding up a celestial globe.Probably a copy of an earlier work of the Hellenistic period, it is the oldest extant statue of Atlas, a Titan of Greek mythology who is represented in earlier Greek vase painting, and the oldest known representation of the celestial sphere ...
The sculpture of ancient Greece is the main surviving type of fine ancient Greek art as, with the exception of painted ancient Greek pottery, almost no ancient Greek painting survives. Modern scholarship identifies three major stages in monumental sculpture in bronze and stone: Archaic Greek sculpture (from about 650 to 480 BC), Classical (480 ...
Although published before the structure and role of DNA was understood, Turing's work on morphogenesis remains relevant today and is considered a seminal piece of work in mathematical biology. [150] One of the early applications of Turing's paper was the work by James Murray explaining spots and stripes on the fur of cats, large and small.