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19 小時前 · Bitcoin (abbreviation: BTC; sign: ) is the first decentralized cryptocurrency. Nodes in the peer-to-peer bitcoin network verify transactions through cryptography and record them in a public distributed ledger, called a blockchain, without central oversight. Consensus between nodes is achieved using a computationally intensive process based on proof of work, called mining, that guarantees the ...
- BTC, XBT
- 10−8
- Bitcoins
- ₿, (Unicode: .mw-parser-output .monospaced{font-family:monospace,monospace}U+20BF ₿ BITCOIN SIGN)
2 天前 · In 1869, Goldman Sachs was founded by Marcus Goldman in New York City in a one-room basement office next to a coal chute. In 1882, Goldman's son-in-law Samuel Sachs joined the firm. In 1885, Goldman's son, Henry Goldman, and his son-in-law, Ludwig Dreyfuss, joined the business and the firm adopted its present name, Goldman Sachs & Co. The company pioneered the use of commercial paper for ...
- 1869; 154 years ago
- Financial services
- 48,500 (2022)
- US$47.37 billion (2022)
3 天前 · ARM (stylised in lowercase as arm, formerly an acronym for Advanced RISC Machines and originally Acorn RISC Machine) is a family of RISC instruction set architectures (ISAs) for computer processors. Arm Ltd. develops the ISAs and licenses them to other companies, who build the physical devices that use the instruction set.
19 小時前 · Spacecraft components. The 3.7 m (12 ft) diameter high gain dish antenna used on the Voyager craft. Voyager 1 was built by the Jet Propulsion Laboratory. It has 16 hydrazine thrusters, three-axis stabilization gyroscopes, and referencing instruments to keep the probe's radio antenna pointed toward Earth.
1 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 ...
1 天前 · An island nation, Seychelles is located in the Somali Sea segment of the Indian Ocean, northeast of Madagascar and about 1,600 km (860 nmi) east of Kenya. The Constitution of Seychelles lists 155 named islands, [54] and a further 7 reclaimed islands have been created subsequent to the publication of the Constitution.
2 天前 · Emotional intelligence (EI) is defined as the ability to perceive, use, understand, manage, and handle emotions.People with high emotional intelligence can recognize their own emotions and those of others, use emotional information to guide thinking and behavior, discern between different feelings and label them appropriately, and adjust emotions to adapt to environments.
