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Arthur Oswin Austin (1879–1964) was an American electrical engineer and inventor. He is best known as the inventor of the Austin transformer, used to supply power for lighting circuits on radio towers. Austin's work included improvements to radio transmission equipment and the effects of lightning on high-voltage transmission lines and aircraft.
Machu Picchu[a] is a 15th-century Inca citadel located in the Eastern Cordillera of southern Peru on a mountain ridge at 2,430 meters (7,970 ft). [9] Often referred to as the "Lost City of the Incas", [10] it is the most familiar icon of the Inca Empire. It is located in the Machupicchu District within Urubamba Province [11] above the Sacred ...
Tassili n'Ajjer is a plateau in southeastern Algeria at the borders of Libya, Niger, and Mali, covering an area of 72,000 km 2. [2] It ranges from east-south-east to .
Microsoft Bing, commonly referred to as Bing, is a search engine owned and operated by Microsoft. The service traces its roots back to Microsoft's earlier search engines, including MSN Search, Windows Live Search, and Live Search.
Of the many eruptions of Mount Vesuvius, a major stratovolcano in Southern Italy, the best-known is its eruption in 79 AD, [2] [3] which was one of the deadliest in history. [4]
List of highest mountains on Earth. Aerial view of Mount Everest from the south. The peak rises over Lhotse, while Nuptse is the ridge on the left. There are at least 108 mountains on Earth with elevations of 7,200 m (23,600 ft; 4.5 mi) or greater above sea level. Of these, 14 are more than 8,000 m (26,000 ft; 5.0 mi). [1]
ISO 3166-1 alpha-2 codes are two-letter country codes defined in ISO 3166-1, part of the ISO 3166 standard [1] published by the International Organization for Standardization (ISO), to represent countries, dependent territories, and special areas of geographical
