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Reddit (/ ˈrɛdɪt /) is an American social news aggregation, content rating, and forum social network. Registered users (commonly referred to as "Redditors") submit content to the site such as links, text posts, images, and videos, which are then voted up or down ("upvoted" or "downvoted") by other members. Posts are organized by subject into ...
Time is the continued sequence of existence and events that occurs in an apparently irreversible succession from the past, through the present, and into the future. [1][2][3] It is a component quantity of various measurements used to sequence events, to compare the duration of events or the intervals between them, and to quantify rates of change of quantities in material reality or in the ...
Eigenvalues and eigenvectors. In linear algebra, an eigenvector (/ ˈaɪɡən -/ EYE-gən-) or characteristic vector is a vector that has its direction unchanged by a given linear transformation. More precisely, an eigenvector, , of a linear transformation, , is scaled by a constant factor, , when the linear transformation is applied to it: .
A transistor is a semiconductor device used to amplify or switch electrical signals and power. It is one of the basic building blocks of modern electronics. [1] It is composed of semiconductor material, usually with at least three terminals for connection to an electronic circuit. A voltage or current applied to one pair of the transistor's terminals controls the current through another pair ...
Amazon.com, Inc., [1] doing business as Amazon (/ ˈæməzɒn /, AM-ə-zon; UK also / ˈæməzən /, AM-ə-zən), is an American multinational technology company, engaged in e-commerce, cloud computing, online advertising, digital streaming, and artificial intelligence. [5] It is considered one of the Big Five American technology companies, the other four being Alphabet (parent company of ...
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 matter and energy, and the structures they form, from sub-atomic particles to entire galactic filaments.
A lesbian is a homosexual woman or girl. [3][4][5] The word is also used for women in relation to their sexual identity or sexual behavior, regardless of sexual orientation, or as an adjective to characterize or associate nouns with female homosexuality or same-sex attraction. [6][7] The concept of "lesbian" to differentiate women with a shared sexual orientation evolved in the 20th century ...
English is an official language in 59 sovereign states (such as India, Ireland, and Canada). In some other countries, it is the sole or dominant language for historical reasons, without being explicitly defined by law (such as in the United States and United Kingdom). [9] It is a co-official language of the United Nations, the European Union, and many other international and regional ...