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2 天前 · Neil deGrasse Tyson ( US: / dəˈɡræs / də-GRASS or UK: / dəˈɡrɑːs / də-GRAHSS; born October 5, 1958) is an American astrophysicist, author, and science communicator. Tyson studied at Harvard University, the University of Texas at Austin, and Columbia University. From 1991 to 1994, he was a postdoctoral research associate at Princeton University.
21 小時前 · 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.
21 小時前 · Criteria. Conflict deaths in the 17 deadliest conflicts 2015–2020. This list of ongoing armed conflicts identifies present-day conflicts and the death toll associated with each conflict. The criteria of inclusion are the following:
2024年5月31日 · The Mirage is a casino resort on the Las Vegas Strip in Paradise, Nevada, United States. It is owned by Vici Properties and operated by Hard Rock International. The 65-acre property includes a 90,548 sq ft (8,412.2 m 2) casino and 3,044 rooms. [1] Golden Nugget, Inc., led by developer Steve Wynn, purchased the future land of the Mirage in 1986.
4 天前 · Wireless LAN (WLAN) channels are frequently accessed using IEEE 802.11 protocols. The 802.11 standard provides several radio frequency bands for use in Wi-Fi communications, each divided into a multitude of channels numbered at 5 MHz spacing (except in the 45/60 GHz band, where they are 0.54/1.08/2.16 GHz apart) between the centre frequency of the channel.
2 天前 · This is a list of the most populous incorporated places of the United States. As defined by the United States Census Bureau, an incorporated place includes cities, towns, villages, boroughs, and municipalities.[a] A few exceptional census-designated places (CDPs) are also included in the Census Bureau's listing of incorporated places.[b ...
2024年5月11日 · Environmental, social, and governance (ESG), is a set of aspects, including environmental issues, social issues and corporate governance that can be considered in investing. Investing with ESG considerations is sometimes referred to as responsible investing or, in more proactive cases, impact investing.[1] The term ESG first came to prominence ...
