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The turbine had two blades, 175 feet (53 m) in diameter, on the down-wind side of a 120-foot (37 m)-foot steel lattice tower. Each blade was approximately 8 feet (2.4 m) wide and 66 feet (20 m) long, and weighed eight tons. The blades were built on steel spars and covered with a stainless steel skin.
China alone had over 40% of the world's capacity by 2022. [3] Wind power is used on a commercial basis in more than half of all the countries of the world. [4] Denmark produced 55% of its electricity from wind in 2022, a larger share than any other country. Latvia's wind capacity grew by 75%, the largest percent increase in 2022. [3]
Wind power showed potential for replacing natural gas in electricity generation on a cost basis. By 2021 wind energy produced 4872 terawatts-hour, 2.8% of the total primary energy production [51] and 6.6% of the total electricity production. [52] Technological innovations continue to drive new developments in the application of wind power.
World War II [b] or the Second World War (1 September 1939 – 2 September 1945) was a global conflict between two coalitions: the Allies and the Axis powers. Nearly all the world's countries—including all the great powers—participated, with many investing all available economic, industrial, and scientific capabilities in pursuit of total war, blurring the distinction between military and ...
Timeline of Sweden during World War II (1939–1945) Timeline of the Netherlands during World War II (1939–1945) Chronology of the liberation of Dutch cities and towns during World War II; Chronology of the liberation of Belgian cities and towns during World War II; Timeline of the Manhattan Project (1939–1947) Timeline of air operations ...
Change of wind speed by a factor of 2.1544 increases the wind power by one order of magnitude (multiply by 10). The global wind kinetic energy averaged approximately 1.50 MJ/m 2 over the period from 1979 to 2010, 1.31 MJ/m 2 in the Northern Hemisphere with 1.70 MJ/m 2 in the Southern Hemisphere. The atmosphere acts as a thermal engine ...
This is a timeline of events of World War II in 1939 from the start of the war on 1 September 1939. For events preceding September 1, 1939, see the timeline of events preceding World War II. Germany's invasion of Poland on 1 September 1939 brought many countries into the war. This event, and the declaration of war by France and Britain two days ...
This is a timeline of the events that stretched over the period of late World War II, its conclusion, legal aftermath, with the inclusion of the Cold War, from January 1945 to December 1991. January 1945