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Hace 1 día · Social media. Social media are interactive technologies that facilitate the creation, sharing and aggregation of content, ideas, interests, and other forms of expression through virtual communities and networks. [1] [2] Although not unchallenged, [3] [4] common features include: [2] Online platforms that enable users to create and share content ...
Hace 16 horas · Why is the Sun's corona so much hotter than the Sun's surface? (more unsolved problems in astronomy) The temperature of the photosphere is approximately 6,000 K, whereas the temperature of the corona reaches 1,000,000–2,000,000 K. The high temperature of the corona shows that it is heated by something other than direct heat conduction from the photosphere. It is thought that the energy ...
Hace 16 horas · Germany. / 52.517°N 13.383°E / 52.517; 13.383. Germany, [e] officially the Federal Republic of Germany, [f] is a country in the western region of Central Europe. It is the second-most populous country in Europe after Russia [g] and the most populous member state of the European Union.
Hace 3 días · Antennas. Wi-Fi ( / ˈwaɪfaɪ /) [1] [a] is a family of wireless network protocols based on the IEEE 802.11 family of standards, which are commonly used for local area networking of devices and Internet access, allowing nearby digital devices to exchange data by radio waves. These are the most widely used computer networks, used globally in ...
Hace 5 días · Insurance is a means of protection from financial loss in which, in exchange for a fee, a party agrees to compensate another party in the event of a certain loss, damage, or injury. It is a form of risk management, primarily used to protect against the risk of a contingent or uncertain loss. An entity which provides insurance is known as an ...
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Hace 5 días · Main page; Contents; Current events; Random article; About Wikipedia; Contact us; Donate; Pages for logged out editors learn more
