Capillary action or capillarity (also known as capillary motion) is the ability of a narrow tube to draw a liquid upwards against the force of gravity. It occurs when the adhesive intermolecular forces between the liquid and a solid are stronger than the cohesive intermolecular forces within the liquid. The effect causes a concave meniscus to form where the liquid is in contact with a vertical surface. The same eff ...

Including:

Capillary action - Formula Capillary action - Trivia

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Action was a controversial British comic book published by IPC Magazines from (issues dates) 14 February 1976-12 November 1977, when it merged with Battle Picture Weekly. It should not be confused with Action Comics, the American comic book which introduced Superman. Action comic - History. The title was created by Pat Mills in response to the changing social and political times of the 1970s, and as competition to DC Thompson's Warlord title. Warlord was a new type of Brit ...

Including:

Action comic - History
Action comic - Legacy Action comic - Action - The Story of a Violent Comic
Action comic - Major stories

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Action Man is an action figure originally produced and sold in the United Kingdom by Palitoy Ltd of Coalville, Leicestershire from 1966 until 1984. The figure was originally based on the United States G.I. Joe figure but with a British military theme. Military styled Action Man made a brief resurgance in the early 1990s but since 1996 Hasbro has used the name without any military theme as a modern adventurer complete with arch-enemy. Action Man - History. Action Man - OriginsIncluding:

Action Man - History
Action Man - Origins Action Man - Small Scale Action Man - New Era
Action Man - Appearance

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For the computer science term, see Action at a distance (computer science). In physics, action at a distance is the interaction of two objects which are separated in space with no known mediator of the interaction. This term was used most often with early theories of gravity and electromagnetism to describe how an object could "know" the mass (in the case o ...

Including:

Action at a distance physics - Electricity Action at a distance physics - Gravity
Action at a distance physics - Newton Action at a distance physics - Einstein
Action at a distance physics - Quantum mechanics

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Action was a short-lived comedy series about a Hollywood producer named Peter Dragon, who is trying to recover from his last box-office failure. The series was critically praised for its irreverent, almost hostile, look at Hollywood culture but was a ratings failure. Thirteen episodes were produced but only ten episodes ran on the Fox Channel in 1999 before being cancelled. The remaining three episodes were event ...

Including:

Action TV series - Main cast Action TV series - Supporting characters Action TV series - Celebrity cameos Action TV series - Episode guide

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The Combat Action Badge (or CAB) is a military badge worn in the U.S. Army. The emblem features both a M9 bayonet and M67 grenade. The Combat Action Badge may be awarded to any soldier after the date of September 18, 2001 performing duties in an area where hostile fire pay or imminent danger pay is authorized, who is personally present and actively engaging or being engaged by the enemy, and performing satisfactorily in accordance with the prescribed rules of engagement. Award is not limited by one's branch of service or military occupational special ...

Including:

Combat Action Badge - History

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Action! was a programming language, editor and in-memory 6502 compiler created by Clinton Parker working for Optimized Systems Software and running on the Atari 8-bit family of microcomputers. Its syntax was similar to that of ALGOL 68, and it was well-known for its speed. A library was available as a separate product called the Action! Toolkit. It was released in 1983 and officially sold as a cartridge and later "cracked" to disk. "ATR" format files containing a version which may be run on modern systems under emulation are av ...

Including:

Action programming language - Data Types Action programming language - Reserved keywords Action programming language - Programming Action programming language - Example code

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An action figure is a posable plastic figurine of an action hero, superhero, villain, or a character from a movie or television program. These dolls usually are marketed as merchandise intended for boys. Action figures are useful in making stop motion movies which are gaining popularity among children due to the availability of easy to use computer software for making animated movies. Action figure - History. The term "action figure" was first used by Hasbro in 1964, to market their G.I. Joe ...

Including:

Action figure - History Action figure - Notable action figures

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Action in sociology, can either mean a basic action (one that has a meaning) or a more advanced social action, one that not only has a meaning but is directed at other humans and induces a response. See also. Forms of activity and interpersonal relations ...

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The economic theory of collective action is concerned with the provision of public goods (and other collective consumption) through the collaboration of two or more individuals, and the impact of externalities on group behavior. The foundational work in collective action was Mancur Olson's 1965 book The Logic of Collective Action: Public Goods and the Theory of Groups. The theory explores the market failures where individual consumer rationality and firms' profit-seeking do not lead to efficient provision of the public goods, i.e. where another level of p ...

Including:

Collective action - Exploitation of the great by the small Collective action - Institutional design
Collective action - Joint products Collective action - Club Collective action - Federated structure

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A bolt-action firearm is typically a rifle that is manually operated (i.e. by hand), specifically that the opening and closing of the breech is controlled manually by a bolt. The term "action" references the means by which a firearm operates. Bolt action - Mechanics. Typically, the bolt consists of a tube of metal inside of which the firing mechanism is housed, and which has at the front or rear of the tube several metal knobs, or "lugs", which serve to lock the bolt in place. The operation can be done via ...

Including:

Bolt action - Mechanics
Bolt action - Loading
Bolt action - History

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Militaries use the term killed in action (KIA) as a casualty classification. They generally use it to describe the homicides of their own forces by other hostile forces while in combat. Someone killed in action dies on the battlefield whereas someone who died of wounds (DOW) survived to reach a medical treatment facility. Common sense indicates that the side with the most KIA loses the conflict. However, cases exist where the opposite happens. The American Civil War provides one example of where the ...

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One often considers continuous group actions: the group G is a topological group, X is a topological space, and the map G × X → X is continuous with respect to the product topology of G × X. The space X is also called a G-space in this case. This is indeed a generalization, since every group can be considered a topological group by using the discrete topology. All the concepts introduced above still work in this context, however we define ...

See also:

Group action, Group action - Definition, Group action - Examples, Group action - Types of actions, Group action - Orbits and stabilizers, Group action - Morphisms and isomorphisms between G-sets, Group action - Continuous group actions, Group action - Strongly continuous group action and smooth vector, Group action - Generalizations

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If G is a group and X is a set, then a (left) group action of G on X is a binary function (where the image of and is written as ) which satisfies the following two axioms: for all and for every (e denotes the identity elemen ...

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Group action, Group action - Definition, Group action - Examples, Group action - Types of actions, Group action - Orbits and stabilizers, Group action - Morphisms and isomorphisms between G-sets, Group action - Continuous group actions, Group action - Strongly continuous group action and smooth vector, Group action - Generalizations

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While lever-action rifles were popular with civilians, they were not widely accepted by the military. Perhaps the most significant reason was that it is harder to fire a lever-action from the prone position than straight pull or bolt-action rifles. From other positions they were faster than either to reload, but the fact that they could not easily be fired from cover resulted in a gradual phase out from military use in the early 1900s. Lever actions are also generally fed from a tubular magazine, which limits the ammunition that can be used- ...

See also:

Lever-action, Lever-action - History, Lever-action - Disadvantages, Lever-action - Calibers

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Lines of Action - Initial layout. Lines of Action is played on a standard chessboard, with the same algebraic notation for ranks and files. Each player controls twelve checkers, which are initially arrayed as follows: Lines of Action - Goal. The object of the game is to bring all of one's checkers together into a contiguous body (8-connexity). Lines of Action - Movement summary. Players alternate moves, with black having the fir ...

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Lines of Action, Lines of Action - History, Lines of Action - Rules, Lines of Action - Initial layout, Lines of Action - Goal, Lines of Action - Movement summary, Lines of Action - Movement diagrams, Lines of Action - Simultaneous connection, Lines of Action - Strategy, Lines of Action - Example game, Lines of Action - References and Links

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The first significant lever-action design was the Spencer repeating rifle. The design was completed by Christopher Spencer in 1860 and was a magazine-fed lever-operated breechloader rifle. The firing system had to be independently primed, a lever had to be cocked, and it used copper rimfire cartridges. It was fed from a removalable seven round tube magazine, enabling the rounds to be fired one after another, and which, when emptied could be exchanged for another. It was adopted by the United States and used during the American Civil War, with over 20,000 made. This marked the first adoption of a removable mag ...

See also:

Lever-action, Lever-action - History, Lever-action - Disadvantages, Lever-action - Calibers

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As a principle, direct action is central to many strands of anarchist theory, including anarcho-syndicalism, anarcho-communism, insurrectionary anarchism, green anarchy and anarcho-pacifism. While sometimes commonly associated with activism, direct action isn't limited to just representing struggle and actions taken directly can have an affect on real struggle and action in our own lifetime. "Direct Action" has also served as the moniker of at least groups who have been labeled terrorist, the French Action Directe and ...

See also:

Direct action, Direct action - Introduction, Direct action - History, Direct action - Nonviolent direct action, Direct action - Direct action and anarchism

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Affirmative action - Demeaning racialism. Opponents of affirmative action regard it as government sanctioned racial discrimination, and also believe that it’s demeaning to members of minority groups, that affirmative action wrongly sends a condescending message to minorities that they are not capable enough to be considered on their own merits. Affirmative action - Quotas. Critics often object to the use of racial quotas and gender quotas in affirmative action. Quotas are ill ...

See also:

Affirmative action, Affirmative action - Purpose, Affirmative action - History, Affirmative action - American history, Affirmative action - Other approaches, Affirmative action - Consultations, Affirmative action - United States, Affirmative action - Basis in law, Affirmative action - Implementation in universities, Affirmative action - Important Supreme Court cases, Affirmative action - In individual U.S. states, Affirmative action - Other countries, Affirmative action - Results, Affirmative action - Criticism, Affirmative action - Demeaning racialism, Affirmative action - Quotas, Affirmative action - Cultural differences, Affirmative action - Biological Differences, Affirmative action - Disadvantaging working-class non-minorities, Affirmative action - Criticism by Thomas Sowell, Affirmative action - Counter-arguments, Affirmative action - Libertarian view, Affirmative action - Centrist view, Affirmative action - Organizations, Affirmative action - Miscellaneous

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An electrical voltage, or potential, always exists between the inside and outside of a cell. The voltage of an inactive cell stays at a negative value (inside relative to outside the cell) and varies within a small range. When the membrane potential of an excitable cell is depolarized beyond a threshold, the cell will undergo (or "fire") an action potential (see Threshold and initiation). At its most basic, an action potential is a very rapid swing in the polarity of the membrane potential from negative to positive and back, th ...

See also:

Action potential, Action potential - Overview, Action potential - Underlying mechanism, Action potential - Resting membrane potential, Action potential - Action potential phases, Action potential - Threshold and initiation, Action potential - Circuit model, Action potential - Propagation, Action potential - Speed of propagation, Action potential - Saltatory conduction, Action potential - Refractory period, Action potential - Why an action potential?

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Action Man - Origins. Palitoy (a British subsidiary of General Mills) licensed a copy of GI Joe from Hasbro. Initially Action Man, his equipment and accessories were all straight copies of GI Joe, but after a while he developed independently. The range of accessories favoured the British themes, although American outfits and equipment were produced. One of Palitoy's innovations was the flocked hair which crossed over to the GI Joe line. The first Action Man figures were Action Soldier, Action Sailor and Action Pilot. They were accompanied by outfits depicting the participants ...

See also:

Action Man, Action Man - History, Action Man - Origins, Action Man - Small Scale, Action Man - New Era, Action Man - Appearance

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