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Hace 21 horas · Anders Johan Lexell. Signature. Leonhard Euler ( / ˈɔɪlər / OY-lər, [b] German: [ˈleːɔnhaʁt ˈʔɔʏlɐ] ⓘ, Swiss Standard German: [ˈleːɔnhart ˈɔʏlər]; 15 April 1707 – 18 September 1783) was a Swiss mathematician, physicist, astronomer, geographer, logician, and engineer who founded the studies of graph theory and topology ...
Hace 2 días · iPad iPad Pro (6th generation) Developer Apple Manufacturer Foxconn (on contract) Pegatron Type Tablet computer Release date April 3, 2010 ; 14 years ago (April 3, 2010) (1st generation) Units sold 677.7 million as of 2022 Operating system iOS (2010–2019) iPadOS (2019–present) Connectivity WiFi, cellular, 30-pin dock connector, Lightning connector, USB-C, 3.5mm headphone jack, 3-pin "Smart ...
Hace 1 día · Irish War of Independence. Field Marshal John Denton Pinkstone French, 1st Earl of Ypres, KP, GCB, OM, GCVO, KCMG, PC (28 September 1852 – 22 May 1925), known as Sir John French from 1901 to 1916, and as The Viscount French between 1916 and 1922, was a senior British Army officer. Born in Kent, he saw brief service as a midshipman in the ...
Hace 3 días · An aluminium alloy ( UK / IUPAC) or aluminum alloy ( NA; see spelling differences) is an alloy in which aluminium (Al) is the predominant metal. The typical alloying elements are copper, magnesium, manganese, silicon, tin, nickel and zinc. There are two principal classifications, namely casting alloys and wrought alloys, both of which are ...
Hace 21 horas · Dozar or Sedjadeh: The term comes from Persian do, "two" and zar, a Persian measure corresponding to about 105 centimetres (41 inches). Carpets of Dozar size are approximately 130–140 cm (51–55 in) x 200–210 cm (79–83 in). Ghalitcheh (Persian: قالیچه ): Carpet of Dozar format, but woven in very fine quality.
Hace 2 días · Rome was annexed by Napoleon and was part of the First French Empire from 1798 to 1814. Modern history, the period from the 19th century to the present. Rome came under siege again after the Allied invasion of Italy and was bombed several times. It was declared an open city on 14 August 1943.
Hace 1 día · In 510 AD, the Indian astronomer Aryabhata mentioned in his Aryabhatiya that reflected sunlight is the cause of the shining of the Moon. [221] [222] The astronomer and physicist Ibn al-Haytham (965–1039) found that sunlight was not reflected from the Moon like a mirror, but that light was emitted from every part of the Moon's sunlit surface in all directions. [223]
