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Hace 1 día · Conjugation by a unit quaternion (a quaternion of absolute value 1) with real part cos (φ) is a rotation by an angle 2φ, the axis of the rotation being the direction of the vector part. The advantages of quaternions are: [41] Avoiding gimbal lock, a problem with systems such as Euler angles.
Hace 3 días · Political philosophy. Philosophy of religion. Signature. Georg Wilhelm Friedrich Hegel [a] (27 August 1770 – 14 November 1831) was a German philosopher and one of the most influential figures of German idealism and 19th-century philosophy. His influence extends across the entire range of contemporary philosophical topics, from metaphysical ...
Hace 1 día · 1943–1944. Total deaths. Estimated 0.8 to 3.8 million [A] in Bengal alone. The Bengal famine of 1943 was an anthropogenic famine in the Bengal province of British India (present-day Bangladesh, West Bengal and eastern India) during World War II. An estimated 0.8–3.8 million people died, [A] in the Bengal region (present-day Bangladesh and ...
Hace 3 días · Coleoidea. Paracoleoidea † (disputed) A cephalopod / ˈsɛfələpɒd / is any member of the molluscan class Cephalopoda / sɛfəˈlɒpədə / ( Greek plural κεφαλόποδες, kephalópodes; "head-feet") [3] such as a squid, octopus, cuttlefish, or nautilus.
Hace 14 horas · 1. 1799–1803 1807–1813 1815. Field Marshal Arthur Wellesley, 1st Duke of Wellington, KG, GCB, GCH, PC, FRS ( né Wesley; 1 May 1769 – 14 September 1852) was an Anglo-Irish statesman, soldier, and Tory politician who was one of the leading military and political figures of 19th-century Britain, serving twice as prime minister of the United ...
Hace 1 día · Signature. Alexander II (Russian: Алекса́ндр II Никола́евич, tr. Aleksándr II Nikoláyevich, IPA: [ɐlʲɪˈksandr ftɐˈroj nʲɪkɐˈlajɪvʲɪtɕ]; 29 April 1818 – 13 March 1881) [a] was Emperor of Russia, King of Congress Poland and Grand Duke of Finland from 2 March 1855 until his assassination in 1881. [1]
Hace 1 día · Death. v. t. e. John Quincy Adams ( / ˈkwɪnzi / ⓘ; [a] July 11, 1767 – February 23, 1848) was an American statesman, politician, diplomat, lawyer, and diarist who served as the sixth president of the United States, from 1825 to 1829. He previously served as the eighth United States secretary of state from 1817 to 1825.
