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20 godz. temu · In physics, the special theory of relativity, or special relativity for short, is a scientific theory of the relationship between space and time. In Albert Einstein 's 1905 treatment, the theory is presented as being based on just two postulates: [p 1] [1] [2] The laws of physics are invariant (identical) in all inertial frames of reference ...
20 godz. temu · Educational research. Educational technology (commonly abbreviated as edutech, or edtech) is the combined use of computer hardware, software, and educational theory and practice to facilitate learning. [1] [2] When referred to with its abbreviation, "EdTech", it often refers to the industry of companies that create educational technology.
20 godz. temu · Liberalism portal. Politics portal. v. t. e. Freedom of speech is a principle that supports the freedom of an individual or a community to articulate their opinions and ideas without fear of retaliation, censorship, or legal sanction. The right to freedom of expression has been recognised as a human right in the Universal Declaration of Human ...
20 godz. temu · Franklin Delano Roosevelt (January 30, 1882 – April 12, 1945), commonly known by his initials FDR, was an American politician who served as the 32nd president of the United States from 1933 until his death in 1945. The longest serving U.S. president, he is the only president to have served more than two terms. His initial two terms were centered on combating the Great Depression, while his ...
20 godz. temu · The Cold War was a period of geopolitical tension between the United States and the Soviet Union and their respective allies, the Western Bloc and the Eastern Bloc, that started in 1947, two years after the end of World War II and lasted to 1991, the fall of the Soviet Union.. The term cold war is used because there was no large-scale fighting directly between the two superpowers, but they ...
20 godz. temu · Nicolae Ceaușescu ( / tʃaʊˈʃɛskuː / chow-SHESK-oo, Romanian: [nikoˈla.e tʃe̯a.uˈʃesku] ⓘ, 26 January [ O.S. 13 January] 1918 – 25 December 1989) was a Romanian communist politician who served as the general secretary of the Romanian Communist Party from 1965 to 1989. He was the second and last communist leader of Romania.
