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3 days ago · v. t. e. The history of mathematics deals with the origin of discoveries in mathematics and the mathematical methods and notation of the past. Before the modern age and the worldwide spread of knowledge, written examples of new mathematical developments have come to light only in a few locales.
3 days ago · Synopsis Exposition (books 1–4) A mosaic depicting Odysseus, from the villa of La Olmeda, Pedrosa de la Vega, Spain, late 4th–5th centuries AD. The Odyssey begins after the end of the ten-year Trojan War (the subject of the Iliad), from which Odysseus (also known by the Latin variant Ulysses), king of Ithaca, has still not returned because he angered Poseidon, the god of the sea.
4 days ago · The introduction of the water clock to China, perhaps from Mesopotamia, occurred as far back as the 2nd millennium BC, during the Shang dynasty, and at the latest by the 1st millennium BC. Around 550 AD, Yin Kui (殷蘷) was the first in China to write of the overflow or constant-level tank in his book "Lou ke fa (漏刻法)".
2 days ago · A ninja ( Japanese: 忍者, lit. 'one who is invisible'; [ɲiꜜɲdʑa]) or shinobi ( Japanese: 忍び, lit. 'one who sneaks'; [ɕinobi]) was a covert agent, mercenary, or guerrilla warfare expert in feudal Japan. The functions of a ninja included siege and infiltration, ambush, reconnaissance, espionage, deception, and later bodyguarding and ...
1 day ago · Ban Chiang, however, is the most thoroughly documented site and has the clearest evidence of metallurgy when in Southeast Asia. With a rough date range from the late 3rd millennium BC to the first millennium AD, this site alone has artefacts such as burial pottery (dating from 2100 to 1700 BC) and fragments of bronze and copper-base bangles.
4 days ago · Jesus Washing Peter's Feet, painting by Ford Madox Brown (1852–1856), Tate Britain, London. Christianity in the 1st century covers the formative history of Christianity from the start of the ministry of Jesus ( c. 27 –29 AD) to the death of the last of the Twelve Apostles ( c. 100) and is thus also known as the Apostolic Age. [citation ...
1 day ago · The history of Africa begins with the emergence of hominids, archaic humans and — around 300,000–250,000 years ago — anatomically modern humans ( Homo sapiens ), in East Africa, and continues unbroken into the present as a patchwork of diverse and politically developing nation states. [1]
