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HandWiki is the world's largest wiki-style encyclopedia dedicated to science, technology and computing. It allows you to create and edit articles as long as you have external citations and login account. In addition, this is a content management environment that can be used for collaborative editing of original scholarly content, such as books, manuals, monographs and tutorials.

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List of Minerals L (Complete)
This list includes those recognised minerals beginning with the letter L. The International Mineralogical Association is the international group that recognises new minerals and new mineral names, however minerals discovered before 1959 did not go through the official naming procedure, although some minerals published previously have been either confirmed or discredited since that date. This list contains a mixture of mineral names that have been approved since 1959 and those mineral names believed to still refer to valid mineral species (these are called "grandfathered" species). The list is divided into groups: The data was exported from mindat.org on 29 April 2005; updated up to 'IMA2018'. The minerals are sorted by name, followed by the structural group (rruff.info/ima and ima-cnmnc by mineralienatlas.de, mainly) or chemical class (mindat.org and basics), the year of publication (if it's before of an IMA approval procedure), the IMA approval and the Nickel–Strunz code. The first link is to mindat.org, the second link is to webmineral.com, and the third is to the Handbook of Mineralogy (Mineralogical Society of America).
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  • 05 Nov 2022
Topic Review
Buddhism and Evolution
Evolution is not explicitly mentioned in the Tipitaka. As no major principles of Buddhism contradict it, many Buddhists tacitly accept the theory of evolution. Questions about the eternity or infinity of the universe at large are counted among the 14 unanswerable questions which the Buddha maintained were counterproductive areas of speculation. As such, many Buddhists do not think about these kinds of questions as meaningful for the Buddhist goal of relieving oneself and others from suffering. One does not need to know the origin of life in order to achieve enlightenment. Dalai Lama dismisses the element of randomness in the theory of evolution based on natural selection: Lopez elaborates that the process of Rebirth (into any of a large number of states of being including the human, any kind of animal and several types of supernatural being) is conditioned by karma (action of consciousness), which explains Dalai Lama's view. Buddhists believe the beginning of this world and of life is inconceivable since they have neither beginning nor end. Buddhists believe that the world was not created once upon a time, but that the world has been created millions of times every second and will continue to do so by itself and will break away by itself.
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  • 05 Nov 2022
Topic Review
Private Equity Growth Capital Council
The American Investment Council (AIC), formerly the Private Equity Growth Capital Council (PEGCC), is a lobbying, advocacy, and research organization based in Washington, D.C., that was launched by a consortium of private equity firms in February 2007. It focuses on defending and promoting the private equity and growth capital investment industry to lawmakers and the public at large. Its members include some of the world's largest private equity firms.
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  • 05 Nov 2022
Topic Review
Ballistic Missile
A ballistic missile follows a ballistic trajectory to deliver one or more warheads on a predetermined target. These weapons are only guided during relatively brief periods of flight—most of their trajectory is unpowered, being governed by gravity and air resistance if in the atmosphere. Shorter range ballistic missiles stay within the Earth's atmosphere, while longer-ranged intercontinental ballistic missiles (ICBMs), are launched on a sub-orbital flight trajectory and spend most of their flight out of the atmosphere. These weapons are in a distinct category from cruise missiles, which are aerodynamically guided in powered flight.
  • 16.7K
  • 05 Nov 2022
Topic Review
Dragon Boat
A dragon boat is a human-powered watercraft originating from the Pearl River Delta region of China 's southern Guangdong Province. These were made of teak, but in other parts of China, different kinds of wood are used. It is one of a family of traditional paddled long boats found throughout Asia, Africa, the Pacific islands, and Puerto Rico. The sport of dragon boat racing has its roots in an ancient folk ritual of contending villagers, which dates back 2000 years throughout southern China, and even further to the original games of Olympia in Ancient Greece . Both dragon boat racing and the ancient Olympiad included aspects of religious observances and community celebrations, along with competitions. Dragon boat racing has been a traditional Chinese paddled watercraft activity for over 2000 years and began as a modern international sport in Hong Kong in 1976. These boats are typically made of carbon fiber, fiberglass, and other lightweight materials. For competition events, dragon boats are generally rigged with decorative Chinese dragon heads and tails. At other times (such as during training), decorative regalia is usually removed, although the drum often remains aboard for drummers to practice. For races, there are 18-20 people in a standard boat, and 8-10 in a small boat, not including the steersperson (helm) and the drummer. In December 2007, the central government of the People's Republic of China added the Dragon Boat Festival, along with the Qingming and Mid-Autumn festivals, to the schedule of national holidays.
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  • 05 Nov 2022
Topic Review
Taylor Manifest Anxiety Scale
The Taylor Manifest Anxiety Scale, often shortened to TMAS, is a test of anxiety as a personality trait, and was created by Janet Taylor in 1953 to identify subjects who would be useful in the study of anxiety disorders. The TMAS originally consisted of 50 true or false questions a person answers by reflecting on themselves, in order to determine their anxiety level. Janet Taylor spent her career in the field of psychology studying anxiety and gender development. Her scale has often been used to separate normal participants from those who would be considered to have pathological anxiety levels. The TMAS has been shown to have high test-retest reliability. The test is for adults but in 1956 a children's form was developed. The test was very popular for many years after its development but is now used infrequently.
  • 2.9K
  • 05 Nov 2022
Topic Review
Technology and the Character of Contemporary Life
Technology and the Character of Contemporary Life: A Philosophical Inquiry is a 1984 book by Albert Borgmann (born 1937), an American philosopher, specializing in the philosophy of technology. Borgmann was born in Freiburg, Germany, and is a professor of philosophy at the University of Montana. Technology and the Character of Contemporary Life contributed to the emerging philosophical discussions of issues surrounding modern technology. Following a Heideggerian viewpoint, Borgmann introduced the notion of the device paradigm to explain what constitutes technology's essence, loosely based on Heidegger's notion of Gestell (enframing). The book explores the limitations of conventional ways of thinking about technology and its social context, both liberal democratic ideals, and Marxist lines of thought, concluding with a call for the reform of technology and the device paradigm via what he calls focal things and practices.
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  • 05 Nov 2022
Topic Review
Plug-in Electric Vehicles in Sweden
The adoption of plug-in electric vehicles in Sweden is actively supported by the Government of the Kingdom of Sweden. (As of December 2020), a total of 217,704 light-duty plug-in electric vehicles have been registered since 2011, consisting of 148,889 plug-in hybrids, 62,870 all-electric cars, and 5,945 fully electric commercial vans. Sweden has ranked among the world's top ten best-selling plug-in markets since 2015, listed through 2019 as the ninth largest country market. (As of December 2019), the Swedish stock of plug-in passenger cars listed as the sixth largest in Europe. The Swedish plug-in electric market is dominated by plug-in hybrids, representing 75.1% of the Swedish light-duty plug-in electric vehicle registrations through 2018, but began to slightly decline afterwards, reaching 70.3% in 2020. The market share of plug-in electric vehicles climbed from 0.57% in 2013 to 1.53% of new car sales in the country in 2014. The segment market share reached 2.5% in 2015, rose to 5.2% in 2017, 11.3% in 2019, and achieved a record of 32.2% in 2020.
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  • 05 Nov 2022
Topic Review
Astana
Astana, previously known as Akmolinsk, Tselinograd, Akmola and most recently Nur-Sultan, is the capital city of Kazakhstan. The city lies on the banks of the Ishim River in the north-central part of Kazakhstan, within the Akmola Region, though administered as a city with special status separately from the rest of the region. A 2020 official estimate reported a population of 1,136,008 within the city limits, making it the second-largest city in the country, after Almaty, which had been the capital until 1997. The city became the capital of Kazakhstan in 1997; since then it has grown and developed economically into one of the most modern cities in Central Asia. In 2021, the government selected Astana as one of the 10 priority destinations for tourist development. Modern Astana is a planned city, following the process of other planned capitals. After it became the capital of Kazakhstan, the city dramatically changed its shape. The city's master-plan was designed by Japanese architect Kisho Kurokawa. As the seat of the government of Kazakhstan, Astana is the site of the Parliament House, the Supreme Court, the Ak Orda Presidential Palace and numerous government departments and agencies. It is home to a range of futuristic buildings, including many skyscrapers.
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  • 03 Mar 2023
Topic Review
Former Constellation
Former constellations are old historical Western constellations that for various reasons are no longer widely recognised or are not officially recognised by the International Astronomical Union (IAU). Prior to 1930, many of these defunct constellations were traditional in one or more countries or cultures. Some only lasted decades but others were referred to over many centuries. All are now recognised only for having classical or historical value. Many former constellations had complex Latinised names after objects, people, or mythological or zoological creatures. Others with unwieldy names were shortened for convenience. For example, Scutum Sobiescianum was reduced to Scutum, Mons Mensae to Mensa, and Apparatus Sculptoris to Sculptor. Some of the Northern Sky's former constellations were placed in the less populated regions between the traditional brighter constellations just to fill gaps. In the Southern Sky, new constellations were often created from about the 15th century by voyagers who began journeying south of the Equator. European countries like England, France, the Netherlands, German or Italian states, etc., often supported and popularised their own constellation outlines. In some cases, different constellations occupied overlapping areas and included the same stars. These former constellations are often found in older books, star charts, or star catalogues. The 88 modern constellation names and boundaries were standardised by Eugene Delporte for the IAU in 1930, under an international agreement, removing any possible astronomical ambiguities between astronomers from different countries. Nearly all former or defunct constellations differ in their designated boundaries in as much as they have outlines that do not follow the exact lines of right ascension and declination.
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  • 05 Nov 2022
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