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Hace 5 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 · The universe is all of space and time and their contents. 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 cosmological theory of the Big Bang, emerged together 13.787 ± ...
Hace 3 días · Middle East map of Köppen climate classification. The Middle East (term originally coined in English [see § Terminology] [note 1]) is a geopolitical region encompassing the Arabian Peninsula, the Levant, Turkey, Egypt, Iran, and Iraq. The term came into widespread usage as a replacement of the term Near East (as opposed to the Far East ...
Hace 3 días · Around the time of alignment, extreme gravitational lensing of the galaxy is observed. A black hole is a region of spacetime where gravity is so strong that nothing, not even light and other electromagnetic waves, is capable of possessing enough energy to escape it. [2] Einstein 's theory of general relativity predicts that a sufficiently ...
Hace 5 días · News is information about current events.This may be provided through many different media: word of mouth, printing, postal systems, broadcasting, electronic communication, or through the testimony of observers and witnesses to events. News is sometimes called "hard news" to differentiate it from soft media.Common topics for news reports include war, government, politics, education, health ...
Hace 2 días · History. Bank of America, Los Angeles was founded in California in 1923. In 1928, this entity was acquired by Bank of Italy of San Francisco, which took the Bank of America name two years later.. The eastern portion of the Bank of America franchise can be traced to 1784, when Massachusetts Bank was chartered, the first federally chartered joint-stock owned bank in the United States and only ...
Hace 2 días · Sildenafil, sold under the brand name Viagra, among others, is a medication used to treat erectile dysfunction and pulmonary arterial hypertension. It is also sometimes used off-label for the treatment of certain symptoms in secondary Raynaud's phenomenon. It is unclear if it is effective for treating sexual dysfunction in females. It can be taken orally (swallowed by mouth), intravenously ...
