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1 天前 · Fibonacci sequence. In mathematics, the Fibonacci sequence is a sequence in which each number is the sum of the two preceding ones. Numbers that are part of the Fibonacci sequence are known as Fibonacci numbers, commonly denoted Fn . The sequence commonly starts from 0 and 1, although some authors start the sequence from 1 and 1 or sometimes ...
3 天前 · Philosophy (φιλοσοφία, 'love of wisdom', in Ancient Greek) is a systematic study of general and fundamental questions concerning topics like existence, reason, knowledge, value, mind, and language. It is a rational and critical inquiry that reflects on its own methods and assumptions. Historically, many of the individual sciences ...
4 天前 · Bird Tanchō (red-crowned crane, Grus japonensis) Flower Hamanasu (rugosa rose, Rosa rugosa) Mascot Kyun-chan (キュンちゃん) Tree Ezomatsu (Jezo spruce, Picea jezoensis) Hokkaido (Japanese: 北海道, Hepburn: Hokkaidō, pronounced [hokka idoː] , lit. ' Northern Sea Circuit ') is the second-largest island of Japan and comprises the largest and northernmost prefecture, making up its own ...
1 天前 · Carl Gustav Jung (/jʊŋ/ YUUNG;[1][2] German: [kaʁl ˈjʊŋ]; 26 July 1875 – 6 June 1961) was a Swiss psychiatrist and psychotherapist[a] who founded analytical psychology. He was a prolific author, illustrator, and correspondent, and a complex and controversial character, perhaps best known through his "autobiography" Memories, Dreams ...
2 天前 · Quantum computing. Quantum System One, a quantum computer by IBM from 2019 with 20 superconducting qubits [1] A quantum computer is a computer that exploits quantum mechanical phenomena. On small scales, physical matter exhibits properties of both particles and waves, and quantum computing leverages this behavior using specialized hardware.
2 天前 · Alexander Hamilton. Alexander Hamilton (January 11, 1755, or 1757 [a] – July 12, 1804) was an American military officer, statesman, and Founding Father who served as the first secretary of the treasury from 1789 to 1795 during George Washington's presidency . Born out of wedlock in Charlestown, Nevis, Hamilton was orphaned as a child and ...
2 天前 · 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 ...
