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13 hours ago · The format of an email address is local-part@domain, where the local-part may be up to 64 octets long and the domain may have a maximum of 255 octets. [5] The formal definitions are in RFC 5322 (sections 3.2.3 and 3.4.1) and RFC 5321—with a more readable form given in the informational RFC 3696 (written by J. Klensin, the author of RFC 5321) and the associated errata.
13 hours ago · Machu Picchu[ a ] is a 15th-century Inca citadel located in the Eastern Cordillera of southern Peru on a mountain ridge at 2,430 meters (7,970 ft). [ 9 ] Often referred to as the "Lost City of the Incas", [ 10 ] it is the most familiar icon of the Inca Empire. It is located in the Machupicchu District within Urubamba Province [ 11 ] above the ...
13 hours ago · The History of Pakistan prior to its independence in 1947 spans several millennia and covers a vast geographical area known as the Greater Indus region. [ 1 ] Anatomically modern humans arrived in what is now Pakistan between 73,000 and 55,000 years ago. [ 2 ] Stone tools, dating as far back as 2.1 million years, have been discovered in the ...
13 hours ago · Brazil, [ b ] officially the Federative Republic of Brazil, [ c ] is the largest and easternmost country in South America and Latin America. It is the world's fifth-largest country by area and the seventh most populous. Its capital is Brasília, and its most populous city is São Paulo.
13 hours ago · The five-volume set of the x86-64 Architecture Programmer's Manual, as published and distributed by AMD in 2002. x86-64 (also known as x64, x86_64, AMD64, and Intel 64) [ note 1 ] is a 64-bit version of the x86 instruction set, first announced in 1999. It introduced two new modes of operation, 64-bit mode and compatibility mode, along with a ...
13 hours ago · Richard Phillips Feynman (/ ˈ f aɪ n m ə n /; May 11, 1918 – February 15, 1988) was an American theoretical physicist.He is known for the work he did in the path integral formulation of quantum mechanics, the theory of quantum electrodynamics, the physics of the superfluidity of supercooled liquid helium, and in particle physics, for which he proposed the parton model.
13 hours ago · Witchcraft is the use of alleged supernatural powers of magic.A witch is a practitioner of witchcraft. Traditionally, "witchcraft" means the use of magic or supernatural powers to inflict harm or misfortune on others, and this remains the most common and widespread meaning. [1]
