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5 days ago · Fig. 4: Notched bone from Border Cave, Lebombo Mountains (4). Credit: Robert Hart, The McGregor Museum, Kimberley, South Africa. Fig. 5. The Ishango bone (viewed from four sides). The 10cm. long, 20,000-year-old bone was found in 1950 during excavations along the Congolese bank of Lake Edward. A sharp piece of quartz is affixed to one end (at ...
2 days ago · "astronomy, Babylonia" published on by Oxford University Press.
5 days ago · Euclid, the most prominent mathematician of Greco-Roman antiquity, best known for his geometry book, the Elements. It is sometimes said that, other than the Bible, the Elements is the most translated, published, and studied of all the books produced in the Western world.
5 days ago · astronomy, science that encompasses the study of all extraterrestrial objects and phenomena. Until the invention of the telescope and the discovery of the laws of motion and gravity in the 17th century, astronomy was primarily concerned with noting and predicting the positions of the Sun, Moon, and planets, originally for calendrical and ...
5 days ago · The famous Greek philosopher Plato knew Pythagoreans in the fourth century B.C. and was strongly influenced by the idea of the role of numbers in nature and creation. Plato’s student, Aristotle, incorporated many Pythagorean ideas into his own philosophical works. Unfortunately, the material that Plato and Aristotle based their teachings upon ...
5 days ago · The term “trigonometry” is a 16th-century Latin derivative and the concept was given by the Greek mathematician Hipparchus. Trigonometry word is formed from ancient Greek words “ trigonon ” and “ metron ” which mean triangle and measure respectively, thus collectively called Trigonometry which means measures of a triangle.
Jun 3, 2016 · In June, 1945 the mural was revealed to be “entirely restored.”. Except that it wasn’t. Rather than restore the original mural the New York Central simply painted a new one. Covering the ...
