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Philo of Byzantium [a] (Ancient Greek: Φίλων ὁ Βυζάντιος, Phílōn ho Byzántios, c. 280 BC – c. 220 BC), also known as Philo Mechanicus (Latin for "Philo the Engineer"), was a Greek engineer, physicist and writer on mechanics, who lived during the latter half of the 3rd century BC.
Philo of Byzantium is credited with the construction of the first thermoscope (or Philo thermometer), an early version of the thermometer. [6] It is also thought, but not certain, that Galileo Galilei discovered the specific principle on which the device is based and built the first thermoscope in 1593.
The characteristic multi-domed profile of the Byzantine Hagia Sophia, the first pendentive dome in history, has shaped Orthodox and Islamic architecture alike. [1] This is a list of Byzantine inventions. The Byzantine or Eastern Roman Empire represented the continuation of the Roman Empire after a part of it collapsed.
The inventor Philo of Byzantium (280–220 BC) described an eight-sided ink pot with an opening on each side, which can be turned so that any face is on top, dip in a pen and ink it-yet the ink never runs out through the holes of the side. This was done by the suspension of the inkwell at the center, which was mounted on a series of concentric ...
Innovation in Byzantine Medicine: The Writings of John Zacharias Aktouarios (c.1275-c.1330) is a 2020 monograph by Greek author and academic Petros Bouras-Vallianatos. The book delves into the largely unexplored works of late Byzantine physician John Zacharias Aktouarios , known for his contributions to uroscopy , physiology, and pharmacology.
Fludd's figure of Philo's experiment. In the 3rd century BC, Philo of Byzantium documented his experiment with a tube submerged in a container of liquid on one end and connected to an air-tight, hollow sphere on the other. When air in the sphere is heated with a candle or by exposing it to the sun, expanding air exits the sphere and generates ...
John VIII was the eldest son of Manuel II Palaiologos and Helena Dragaš, [1] the daughter of the Serbian prince Constantine Dragaš.He was associated as co-emperor with his father before 1416 and became sole emperor upon the death of his father on 21 July 1425, [2] [3] although he had already assumed full power on 19 January 1421.
Painting of Emperor Basil II in triumphal garb, exemplifying the imperial crown and royal power handed down by Christ and the angels.. Throughout the fifth century, Hellenistic political systems, philosophies, and theocratic Christian-Eastern concepts had gained power in the Greek-speaking Eastern Mediterranean due to the intervention of important religious figures there such as Eusebius of ...