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Wolfsegg Iron. The Wolfsegg Iron, also known as the Salzburg Cube, is a small cuboid mass of iron that was found buried in Tertiary lignite in Wolfsegg am Hausruck, Austria, in 1885. [1] It weighs 785 grams (1 lb 12 oz) and measures 67 mm × 67 mm × 47 mm (2¾" x 2¾" x 1¾"). Four of its sides are roughly flat, while the two remaining sides ...
Meditations on First Philosophy, in which the existence of God and the immortality of the soul are demonstrated ( Latin: Meditationes de Prima Philosophia, in qua Dei existentia et animæ immortalitas demonstratur) is a philosophical treatise by René Descartes first published in Latin in 1641. The French translation (by the Duke of Luynes with ...
Dioptrique. La dioptrique (in English Dioptrique, Optics, or Dioptrics) is a short treatise by René Descartes. It was published in 1637 included in one of the Essays written with Discourse on the Method. In this essay Descartes uses various models to understand the properties of light. This essay is known as Descartes' greatest contribution to ...
Descartes number. In number theory, a Descartes number is an odd number which would have been an odd perfect number if one of its composite factors were prime. They are named after René Descartes who observed that the number D = 32⋅72⋅112⋅132⋅22021 = (3⋅1001)2 ⋅ (22⋅1001 − 1) = 198585576189 would be an odd perfect number if ...
Descartes. -class cruiser. The Descartes class comprised two protected cruisers of the French Navy built in the early 1890s; the two ships were Descartes and Pascal. They were ordered as part of a naval construction program directed at France's rivals, Italy and Germany, particularly after Italy made progress in modernizing its own fleet.
Radical symbol. In mathematics, the radical symbol, radical sign, root symbol, radix, or surd is a symbol for the square root or higher-order root of a number. The square root of a number x is written as. while the n th root of x is written as. It is also used for other meanings in more advanced mathematics, such as the radical of an ideal .
The Kraft Heinz Company ( KHC ), commonly known as Kraft Heinz ( / ˈkræft ˈhaɪnz / ), is an American multinational food company formed by the merger of Kraft Foods and H.J. Heinz Company co-headquartered in Chicago and Pittsburgh. [4] [5] Kraft Heinz is the third-largest food and beverage company in North America and the fifth-largest in ...
This is the list of things named after René Descartes (1596–1650), a French philosopher, mathematician, and scientist. Computer science [ edit ] Cartesian genetic programming