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The Siege and Destruction of Jerusalem by the Romans Under the Command of Titus, A.D. 70, by David Roberts (1850), shows the city burning. Early thermal weapons, which used heat or burning action to destroy or damage enemy personnel, fortifications or territories, were employed in warfare during the classical and medieval periods (approximately the 8th century BC until the mid-16th century AD).
The screw pump is the oldest positive displacement pump. [1] The first records of a water screw, or screw pump, date back to Hellenistic Egypt before the 3rd century BC. [1] [3] The Egyptian screw, used to lift water from the Nile, was composed of tubes wound round a cylinder; as the entire unit rotates, water is lifted within the spiral tube to the higher elevation.
Usage of the term "Greek fire" has been general in English and most other languages since the Crusades. Original Byzantine sources called the substance a variety of names, such as "sea fire" (Medieval Greek: πῦρ θαλάσσιον pŷr thalássion), "Roman fire" (πῦρ ῥωμαϊκόν pŷr rhōmaïkón), "war fire" (πολεμικὸν πῦρ polemikòn pŷr), "liquid fire ...
Archimedes' heat ray, a device that Archimedes is purported to have used to burn attacking Roman ships during the siege of Syracuse. [1] Claw of Archimedes, purportedly a sort of crane used to drop an attacking Roman ship partly down in to the water during the siege of Syracuse. [3] Polybolos, an ancient Greek repeating ballista. [4]
There are numerous Chinese names for the fire-producing "sun-mirror" and water-producing "moon-mirror". These two bronze implements are literary metaphors for yin and yang, associating the "yang-mirror" yangsui with the Sun (a.k.a. tàiyáng 太陽 "great yang"), fire, dry, and round, and the "yin-mirror" fangshu with the Moon (tàiyīn 太陰 "great yin"), water, wet, and square.
Nomadic people could carry these small fires with them, using them to start larger fires for their evening camps. Archaeologists found that fire pots were being used 10,000, or more, years ago, according to finds during the 1936-37 dig in Fells Cave , [1] of which is located in the valley of the Rio Chico, not far from the Strait of Magellan.
Quest for Fire holds a score of 88% on review aggregator Rotten Tomatoes based on 24 reviews for an average rating of 7.4/10. The website's critics consensus states, "Its characters can't do much more than grunt, but that doesn't keep Quest for Fire from offering a deeply resonant -- and surprisingly funny -- look at the beginning of the human ...
An ancient hydraulic telegraph being used by Aeneas to send a message.. A hydraulic telegraph (Greek: υδραυλικός τηλέγραφος) refers to two different semaphore systems involving the use of water-based mechanisms as a telegraph.