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Há 1 dia · Quantum mechanics. Quantum entanglement is the phenomenon of a group of particles being generated, interacting, or sharing spatial proximity in such a way that the quantum state of each particle of the group cannot be described independently of the state of the others, including when the particles are separated by a large distance.
Há 1 dia · An operating system ( OS) is system software that manages computer hardware and software resources, and provides common services for computer programs . Time-sharing operating systems schedule tasks for efficient use of the system and may also include accounting software for cost allocation of processor time, mass storage, peripherals, and ...
Há 1 hora · t. e. The number π ( / paɪ /; spelled out as " pi ") is a mathematical constant that is the ratio of a circle 's circumference to its diameter, approximately equal to 3.14159. The number π appears in many formulae across mathematics and physics.
Há 1 hora · Some [quantify] scholars identify "four circulatory phases" of this migration out of Africa. The phrase African diaspora gradually entered common usage at the turn of the 21st century. [45] The term diaspora originates from the Greek διασπορά ( diaspora , "scattering") which gained popularity in English in reference to the Jewish diaspora before being more broadly applied to other ...
Há 1 dia · Evidence of common descent of living organisms has been discovered by scientists researching in a variety of disciplines over many decades, demonstrating that all life on Earth comes from a single ancestor. This forms an important part of the evidence on which evolutionary theory rests, demonstrates that evolution does occur, and illustrates ...
Há 1 dia · Art dealers were particularly critical of the UNESCO figure, because it amounted to 15% of the total world art market. [175] In November 2020 part of a UNESCO advertising campaign intended to highlight international trafficking in looted artefacts had to be withdrawn, after it falsely presented a series of museum-held artworks with known provenances as recently looted objects held in private ...
Há 1 dia · 60,000 Indigenous Americans forcibly relocated to Indian Territory. The Trail of Tears was the forced displacement of approximately 60,000 people of the "Five Civilized Tribes" between 1830 and 1850, and the additional thousands of Native Americans within that were ethnically cleansed by the United States government.
