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Hace 4 días · Wireless network technologies. In telecommunications, 5G is the fifth-generation technology standard for cellular networks, which cellular phone companies began deploying worldwide in 2019, and is the successor to 4G technology that provides connectivity to most current mobile phones. Like its predecessors, 5G networks are cellular networks, in ...
Hace 3 días · Schizophrenia is a mental disorder [17] characterized by reoccurring episodes of psychosis that are correlated with a general misperception of reality. [7] Other common signs include hallucinations (typically hearing voices ), delusions (i.e., paranoia ), disorganized thinking and behavior, [10] social withdrawal, and flat or inappropriate ...
Hace 2 días · Africa. Africa is the world's second largest and second-most populous continent after Asia. At about 30.3 million km 2 (11.7 million square miles) including adjacent islands, it covers 20% of Earth 's land area and 6% of its total surface area. [7] With 1.4 billion people [1] [2] as of 2021, it accounts for about 18% of the world's human ...
Hace 1 día · Sustainability is a social goal for people to co-exist on Earth over a long time. Definitions of this term are disputed and have varied with literature, context, and time. [2] [1] Sustainability usually has three dimensions (or pillars): environmental, economic, and social. [1]
Hace 2 días · The English word Christmas is a shortened form of 'Christ's Mass'. The word is recorded as Crīstesmæsse in 1038 and Cristes-messe in 1131. Crīst (genitive Crīstes) is from the Greek Χριστός (Khrīstos, 'Christ'), a translation of the Hebrew מָשִׁיחַ (Māšîaḥ, 'Messiah'), meaning 'anointed'; and mæsse is from the Latin missa, the celebration of the Eucharist.
Hace 4 días · The universe is all of space and time [a] and their contents. [10] It comprises all of existence, any fundamental interaction, physical process and physical constant, and therefore all forms of energy and matter, and the structures they form, from sub-atomic particles to entire galactic filaments. Space and time, according to the prevailing ...
Hace 4 días · Barbie (film) Barbie. (film) Barbie [a] is a 2023 fantasy comedy film directed by Greta Gerwig from a screenplay she wrote with Noah Baumbach. Based on the eponymous fashion dolls by Mattel, it is the first live-action Barbie film after numerous animated films and specials.
