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6 天前 · Canonical commutation rule for position q and momentum p variables of a particle, 1927. pq − qp = h / (2 πi ). Uncertainty principle of Heisenberg, 1927. The uncertainty principle, also known as Heisenberg's indeterminacy principle, is a fundamental concept in quantum mechanics. It states that there is a limit to the precision with which ...
1 天前 · Four UN members (Cuba, Liechtenstein, Monaco and North Korea) do not belong to the IMF hence their economies are not ranked below. Kosovo, despite not being a member of the United Nations, is a member of IMF. Taiwan is not a IMF member but it is still listed in the official IMF indices. Several leading GDP-per-capita (nominal) jurisdictions may ...
2 天前 · Non-binary and genderqueer are umbrella terms for gender identities that are not solely male or female (identities outside the gender binary). Non-binary identities often fall under the transgender umbrella since non-binary people typically identify with a gender that is different from the sex assigned to them at birth, though some non-binary people do not consider themselves transgender.
1 天前 · List of missions to the Moon. A replica of Luna 9, the first spacecraft to land on the Moon. The first image taken of the far side of the Moon, returned by Luna 3. As part of human exploration of the Moon, numerous space missions have been undertaken to study Earth's natural satellite. Of the Moon landings, Luna 2 of the Soviet Union was the ...
4 天前 · Apollo, God of Light, Eloquence, Poetry and the Fine Arts with Urania, Muse of Astronomy (1798) by Charles Meynier. Apollo [a] is one of the Olympian deities in classical Greek and Roman religion and Greek and Roman mythology. Apollo has been recognized as a god of archery, music and dance, truth and prophecy, healing and diseases, the Sun and ...
1 天前 · Real Madrid. (14 titles) 2024 UEFA Champions League final. The UEFA Champions League is a seasonal football competition established in 1955. [1] Prior to the 1992–93 season, the tournament was named the European Cup. [1] The UEFA Champions League is open to the league champions of all UEFA (Union of European Football Associations) member ...
5 天前 · Principal component analysis ( PCA) is a linear dimensionality reduction technique with applications in exploratory data analysis, visualization and data preprocessing . The data is linearly transformed onto a new coordinate system such that the directions (principal components) capturing the largest variation in the data can be easily identified.
