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Hydroelectricity. The Three Gorges Dam in Central China is the world's largest power-producing facility of any kind. Hydroelectricity, or hydroelectric power, is electricity generated from hydropower (water power). Hydropower supplies one sixth of the world's electricity, almost 4,500 TWh in 2020, which is more than all other renewable sources ...
During the Tang dynasty (618–907), a navy town, Tuen Mun Tsan ( 屯門鎮) was established in Nantou, which lies across Deep Bay. Tuen Mun and the rest of Hong Kong were under its protection. A major clan, To (Chinese: 陶 ), brought the name Tuen Mun to the area. They migrated from Jiangxi on the Chinese mainland and established a village ...
- Tyùhn mùhn
- 屯门
- Garrison Gate
- 屯門
Electrical engineering is an engineering discipline concerned with the study, design, and application of equipment, devices, and systems which use electricity, electronics, and electromagnetism. It emerged as an identifiable occupation in the latter half of the 19th century after the commercialization of the electric telegraph, the telephone ...
A high school student explains her engineering project to a judge in Sacramento, California, United States (2015). Science, technology, engineering, and mathematics ( STEM) is an umbrella term used to group together the distinct but related technical disciplines of science, technology, engineering, and mathematics.
Engineering is the practice of using natural science, mathematics, and the engineering design process[1] to solve technical problems, increase efficiency and productivity, and improve systems. Modern engineering comprises many subfields which include designing and improving infrastructure, machinery, vehicles, electronics, materials, and ...
On 11 March 2011, at 14:46 JST (05:46 UTC), a Mw 9.0–9.1 undersea megathrust earthquake occurred in the Pacific Ocean, 72 km (45 mi) east of the Oshika Peninsula of the Tōhoku region. It lasted approximately six minutes, causing a tsunami. It is sometimes known in Japan as the "Great East Japan Earthquake" (東日本大震災, Higashi nihon ...
Entropy is a scientific concept that is most commonly associated with a state of disorder, randomness, or uncertainty. The term and the concept are used in diverse fields, from classical thermodynamics, where it was first recognized, to the microscopic description of nature in statistical physics, and to the principles of information theory.
