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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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Aerial Photography
Aerial photography (or airborne imagery) is the taking of photographs from an aircraft or other flying object. Platforms for aerial photography include fixed-wing aircraft, helicopters, unmanned aerial vehicles (UAVs or "drones"), balloons, blimps and dirigibles, rockets, pigeons, kites, parachutes, stand-alone telescoping and vehicle-mounted poles. Mounted cameras may be triggered remotely or automatically; hand-held photographs may be taken by a photographer. Aerial photography should not be confused with air-to-air photography, where one or more aircraft are used as chase planes that "chase" and photograph other aircraft in flight.
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Biography
Ravi Shankar
Ravi Shankar (born 13 May 1956) is an Indian yoga guru,[1] a spiritual leader. He is frequently referred to as "Sri Sri" (honorific), Guru ji, or Gurudev.[2] From around the mid 1970s, he worked as an apprentice under Mahesh Yogi, the founder of Transcendental Meditation. In 1981, he split from the Transcendental Meditation (TM) and founded the Art of Living Foundation.[3] Ravi Shankar was bo
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Biography
Neil Gershenfeld
Neil A. Gershenfeld (born 1959 or 1960)[1] is an United States professor at MIT and the director of MIT's Center for Bits and Atoms, a sister lab to the MIT Media Lab. His research studies are predominantly focused in interdisciplinary studies involving physics and computer science, in such fields as quantum computing, nanotechnology, and personal fabrication. Gershenfeld attended Swarthmore Col
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Topic Review
Alpheus (Shrimp)
Alpheus is a genus of snapping shrimp of the family Alpheidae. This genus contains in excess of 291 species, making this the most species-rich genus of shrimp. Like other snapping shrimp, the claws of Alpheus are asymmetrical, with one of the claws enlarged for making a popping noise. Some species in the genus enter into symbiotic relationships with gobiid fishes, and others associate with sea anemones. It's also the noisiest of all sea creatures and can immobilize small fish with its high pitched frequency.
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Topic Review
Enemy Combatant
Enemy combatant is a person who, either lawfully or unlawfully, engages in hostilities for the other side in an armed conflict. Usually enemy combatants are members of the armed forces of the state with which another state is at war. In the case of a civil war or an insurrection "state" may be replaced by the more general term "party to the conflict" (as described in the 1949 Geneva Conventions Article 3). After the September 11 attacks, the term "enemy combatant" was used by the George W. Bush administration to include an alleged member of al-Qaeda or the Taliban being held in detention by the U.S. government. In this sense, "enemy combatant" actually refers to persons the United States regards as unlawful combatants, a category of persons who do not qualify for prisoner-of-war status under the Geneva Conventions. However, unlike unlawful combatants who qualify for some protections under the Fourth Geneva Convention, enemy combatants, under the Bush administration, were not covered by the Geneva Convention. Thus, the term "enemy combatant" has to be read in context to determine whether it means any combatant belonging to an enemy state or non-state actor, whether lawful or unlawful, or if it means an alleged member of al Qaeda or of the Taliban being detained as an unlawful combatant by the United States. In the United States on March 13, 2009, the Obama administration announced its abandonment of the Bush administration's use of the term "enemy combatant".
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Biography
Horace Romano Harré
Horace Romano Harré (/ˈhæreɪ/;[1] 18 December 1927 – 17 October 2019),[2][3] known widely as Rom Harré, was a New Zealand-British philosopher and psychologist. Harré was born in Apiti, in northern Manawatu, near Palmerston North, New Zealand,[4] but held British citizenship.[5] He studied chemical engineering and later graduated with a BSc in mathematics (1948) and a Master's in Philo
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Biography
Valeri Kubasov
Valeri Nikolayevich Kubasov (Russian: Вале́рий Никола́евич Куба́сов; 7 January 1935 – 19 February 2014) was a Soviet/Russia n cosmonaut who flew on two missions in the Soyuz programme as a flight engineer: Soyuz 6 and Soyuz 19 (the Apollo–Soyuz mission), and commanded Soyuz 36 in the Intercosmos programme. On 21 July 1975, the Soyuz 7K-TM module used for ASTP lande
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Topic Review
Fusospirillosis
Acute necrotizing ulcerative gingivitis (ANUG) is a common, non-contagious infection of the gums with sudden onset. The main features are painful, bleeding gums, and ulceration of inter-dental papillae (the sections of gum between adjacent teeth). This disease, along with necrotizing (ulcerative) periodontitis (NP or NUP) is classified as a necrotizing periodontal disease, one of the seven general types of gum disease caused by inflammation of the gums (periodontitis). The often severe gum pain that characterizes ANUG distinguishes it from the more common chronic periodontitis which is rarely painful. If ANUG is improperly treated or neglected, it may become chronic and/or recurrent. The causative organisms are mostly anaerobic bacteria, particularly Fusobacteriota and spirochete species. Predisposing factors include poor oral hygiene, smoking, poor nutrition, psychological stress, and a weakened immune system. When the attachments of the teeth to the bone are involved, the term NUP is used. Treatment of ANUG is by removal of dead gum tissue and antibiotics (usually metronidazole) in the acute phase, and improving oral hygiene to prevent recurrence. Although the condition has a rapid onset and is debilitating, it usually resolves quickly and does no serious harm. The informal name trench mouth arose during World War I as many soldiers developed the disease, probably because of the poor conditions and extreme psychological stress.
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Biography
Yorick Smythies
Yorick Smythies (21 February 1917 – 1980) was a student and friend of Ludwig Wittgenstein known for his notes of the philosopher's lectures. He was also a friend of, and character inspiration for, the novelist (and philosopher) Iris Murdoch. Yorick Smythies was born on 21 February 1917 in Shanklin on the Isle of Wight[1] where Yorick's maternal grandparents were living at the time.[2] Yor
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Biography
Péter Pázmány
Péter Pázmány, S.J. (also called de Panasz in some sources; Hungarian: panaszi Pázmány Péter; Latin: Petrus Pazmanus; German: Peter Pazman; Slovak: Peter Pázmaň;[1] 4 October 1570 – 19 March 1637), was a Hungarian Jesuit who was a noted philosopher, theologian, cardinal, pulpit orator and statesman. He was an important figure in the Counter-Reformation in Royal Hungary. Pázmány's m
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