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A common unit in both measures throughout historic Greece was the cotyle or cotyla whose absolute value varied from one place to another between 210 ml and 330 ml. [1] The basic unit for both solid and liquid measures was the κύαθος (kyathos, plural: kyathoi).
The measurement for silks was equal to 25 inches, and for linen and woolens it was equal to 27 inches. [4] The piki was sometimes regarded as equal to a metre and a kilometre was called a stadion. [4] The metre was introduced in a royal decree of 1836, and was originally subdivided in 10 palms, 100 digits and 1000 lines. [3]
Aristarchus's 3rd century BCE calculations on the relative sizes of, from left, the Sun, Earth and Moon, from a 10th-century CE Greek copy. On the Sizes and Distances (of the Sun and Moon) (Ancient Greek: Περὶ μεγεθῶν καὶ ἀποστημάτων [ἡλίου καὶ σελήνης], romanized: Perì megethôn kaì apostēmátōn [hēlíou kaì selḗnēs]) is widely accepted ...
Huygens first used a clock to calculate the equation of time (the difference between the apparent solar time and the time given by a clock), publishing his results in 1665. The relationship enabled astronomers to use the stars to measure sidereal time , which provided an accurate method for setting clocks.
The pous (pl. podes; Ancient Greek: πούς, poús) or Greek foot (pl. feet) was a Greek unit of length of approximately 300mm or 12 inches. It had various subdivisions whose lengths varied by place and over time. 100 podes made up one plethron, 600 podes made up a stade (the Greek furlong) and 5000 made up a milion (the Greek mile).
The palm was not a major unit in ancient Mesopotamia but appeared in ancient Israel as the tefah, [7] tepah, [8] or topah [8] (Hebrew: טפח, lit. "a spread"). [9] Scholars were long uncertain as to whether this was reckoned using the Egyptian or Babylonian cubit, [7] but now believe it to have approximated the Egyptian "Greek cubit", giving a value for the palm of about 74 mm or 2.9 in. [8]
A cave in the Himalayas revealed the most detailed explanation yet for the ancient civilization’s decline. Indus valley civilization disappeared 3,600 years ago — we finally know why, study ...
Chronometry is derived from two root words, Ancient Greek chronos (χρόνος) and metron (μέτρον), with rough meanings of "time" and "measure". [6] The combination of the two is taken to mean time measuring. In the Ancient Greek lexicon, meanings and translations differ depending on the source.