Summary

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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Verse of Mawadda
The Verse of Mawadda (Arabic: آية الْمَوَدَّة) refers to verse 42:23 of the Quran, the interpretation of which is disputed. This verse is often cited in Shia sources to support the elevated status of the family of the Islamic prophet Muhammad, known as the Ahl al-Bayt. Most Sunni authors reject the Shia view and offer various alternatives.
  • 2.4K
  • 02 Nov 2022
Topic Review
Courage
Courage (also called bravery or valor) is the choice and willingness to confront agony, pain, danger, uncertainty, or intimidation. Valor is courage or bravery, especially in battle. Physical courage is bravery in the face of physical pain, hardship, even death, or threat of death; while moral courage is the ability to act rightly in the face of popular opposition, shame, scandal, discouragement, or personal loss. The classical virtue of fortitude (andreia, fortitudo) is also translated "courage", but includes the aspects of perseverance and patience. In the Western tradition, notable thoughts on courage have come from philosophers Socrates, Plato, Aristotle, Aquinas, and Kierkegaard, as well as Christian beliefs and texts. In the Hindu tradition, mythology has given many examples of bravery, valor and courage, with examples of both physical and moral courage exemplified. In the Eastern tradition, some thoughts on courage were offered by the Tao Te Ching.
  • 3.7K
  • 28 Oct 2022
Topic Review
Corium (Nuclear Reactor)
Corium, also called fuel-containing material (FCM) or lava-like fuel-containing material (LFCM), is a material that is created in the core of a nuclear reactor during a meltdown accident. It resembles natural lava in its consistency. It consists of a mixture of nuclear fuel, fission products, control rods, structural materials from the affected parts of the reactor, products of their chemical reaction with air, water and steam, and, in the event that the reactor vessel is breached, molten concrete from the floor of the reactor room.
  • 1.6K
  • 28 Oct 2022
Topic Review
Aerial Bombardment and International Law
Air warfare must comply with laws and customs of war, including international humanitarian law by protecting the victims of the conflict and refraining from attacks on protected persons. These restraints on aerial warfare are covered by the general laws of war, because unlike war on land and at sea—which are specifically covered by rules such as the 1907 Hague Convention and Protocol I additional to the Geneva Conventions, which contain pertinent restrictions, prohibitions and guidelines—there are no treaties specific to aerial warfare. To be legal, aerial operations must comply with the principles of humanitarian law: military necessity, distinction, and proportionality: An attack or action must be intended to help in the military defeat of the enemy; it must be an attack on a military objective, and the harm caused to civilians or civilian property must be proportional and not excessive in relation to the concrete and direct military advantage anticipated.
  • 1.4K
  • 28 Oct 2022
Topic Review
Cancellation (Broadcasting)
In broadcasting, cancellation refers to when a radio or television program is abruptly ended by orders of the network or syndicator that distributes the show. Programs are typically cancelled for financial reasons; low viewership or listenership will lead to lower advertising or subscription revenue, prompting networks to replace it with another show with the potential to turn a larger profit. Likewise, a disproportionately high budget is potentially undesirable (this is somewhat complicated, as prominent programs have effects on the viewership of programs that air before and after; an expensive program may be worth the cost—a loss leader—if it increases the ratings of other shows on the network, while a profitable low-budget show may still be cancelled if it lowers the ratings of the surrounding programs). Other potential reasons for canceling television programs include unfavorable critical reviews, controversies involving the program's cast, conflicts among the show's staff members or to make room for new programming. Shows whose runs end due to a mutual creative decision by its creators, producers, cast, and the network it airs on (such as Seinfeld, The Sopranos, or The Cosby Show) are not considered to be "cancelled" but rather "concluded" or "ended", with a special last episode called its series finale. Even so, programs that end their runs in this manner are sometimes incorrectly stated to have been cancelled, even if the program was renewed for a final season (such as with American Idol, by which the term was incorrectly applied upon the announcement of Fox, Fremantle Media and 19 Entertainment's decision to renew the show for a 15th and final season in May 2015 to air in 2016); shows that are cancelled traditionally end their runs during the television season in which the program airs first-run episodes at the time, either effective immediately after the announcement is made by the network or until all remaining episodes are broadcast. The Friday night death slot is a perceived graveyard slot in United States television, referring to the idea that a television program in the United States scheduled on Friday evenings is highly likely to be canceled.
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  • 28 Oct 2022
Topic Review
Europa Lander (NASA)
The Europa Lander is a proposed astrobiology mission concept by NASA to Europa, an icy moon of Jupiter. If funded and developed as a Flagship mission, it would be launched in 2025 to complement the studies by the Europa Clipper orbiter mission and perform analyses on site. The objectives of the mission are to search for biosignatures at the subsurface ≈10 cm, to characterize the composition of non-ice near-subsurface material, and determine the proximity of liquid water and recently erupted material near the lander's location.
  • 2.5K
  • 28 Oct 2022
Topic Review
Bongo Drum
Bongos (Spanish: bongó) are an Afro-Cuban percussion instrument consisting of a pair of small open bottomed hand drums of different sizes. They are struck with both hands, most commonly in an eight-stroke pattern called martillo (hammer). They are mainly employed in the rhythm section of son cubano and salsa ensembles, often alongside other drums such as the larger congas and the stick-struck timbales. Bongo drummers (bongoseros) emerged as the only drummers of son cubano ensembles in eastern Cuba toward the end of the 19th century. The instrument remained important as son groups evolved into larger conjuntos and orchestras in Havana in the 1940s, at which point they began to share the stage with congas. Bongos later reached the United States, where they are commonly played in salsa, Afro-Cuban jazz, Latin rock and other genres. Bongo drums are about 20 centimetres (8 in) high and have diameters of approximately 20 centimetres (8 in) and 25 centimetres (10 in) (the smaller drum is called macho, male, and the larger drum, hembra, female). They are the smallest drums in Latin percussion, some models being only 15 centimetres (6 in) in diameter. The shells of the drums and the bridge (the small block that joins them) are usually made of wood, although fiberglass is also common. The heads are typically made of calfskin and attached to the shells via steel hardware that enables their tuning. Originally, metal tacks were used, so tuning had to be done by heating the skins.
  • 5.7K
  • 02 Nov 2022
Topic Review
Function
In evolutionary biology, function is the reason some object or process occurred in a system that evolved through natural selection. That reason is typically that it achieves some result, such as that chlorophyll helps to capture the energy of sunlight in photosynthesis. Hence, the organism that contains it is more likely to survive and reproduce, in other words the function increases the organism's fitness. A characteristic that assists in evolution is called an adaptation; other characteristics may be non-functional spandrels, though these in turn may later be co-opted by evolution to serve new functions. In biology, function has been defined in many ways. In physiology, it is simply what an organ, tissue, cell or molecule does. In the philosophy of biology, talk of function inevitably suggests some kind of teleological purpose, even though natural selection operates without any goal for the future. All the same, biologists often use teleological language as a shorthand for function. In contemporary philosophy of biology, there are three major accounts of function in the biological world: theories of causal role, selected effect, and goal contribution.
  • 1.9K
  • 28 Oct 2022
Topic Review
XC (Programming Language)
In computers, XC is a programming language for real-time embedded parallel processors, targeted at the XMOS XCore processor architecture. XC is an imperative language, based on the features for parallelism and communication in occam, and the syntax and sequential features of C. It provides primitive features that correspond to the various architectural resources provided, namely: channel ends, locks, ports and timers. In combination with XCore processors, XC is used to build embedded systems with levels of I/O, real-time performance and computational ability usually attributed to field-programmable gate arrays (FPGAs) or application-specific integrated circuit (ASIC) devices.
  • 2.2K
  • 28 Oct 2022
Topic Review
Health Dynamics Inventory
The Health Dynamics Inventory (HDI) is a 50 item self-report questionnaire developed to evaluate mental health functioning and change over time and treatment. The HDI was written to evaluate the three aspects of mental disorders as described in the Diagnostic and Statistical Manual of Mental Disorders (DSM): "clinically significant behavioral or psychological syndrome or pattern...associated with present distress...or disability". This also corresponds to the phase model described by Howard and colleagues Accordingly, the HDI assesses (1) the experience of emotional or behavioral symptoms that define mental illness, such as dysphoria, worry, angry outbursts, low self-esteem, or excessive drinking, (2) the level of emotional distress related to these symptoms, and (3) the impairment or problems fulfilling the major roles of one's life. The HDI was developed for use with mental and behavioral health outpatient, day treatment, hospital, and chemical health programs for both children and adults. It has multiple applications for improving the mental health treatment of children and adults, including in primary care medicine and integrated care. It was designed to be responsive to treatment effects and has descriptive anchors on a 5 point scale to allow for discrimination of frequency and severity of symptom expression. The HDI was developed for ease of use for patients, researchers, clinicians, and clinics. It was designed to be easy to administer and to score, easy to complete, and to provide results that are easily understood and transformed into meaningful decisions, diagnoses and treatment plans. Most importantly, the HDI was designed to allow clear comparison between multiple administrations, demonstrating the degree of effectiveness of the services provided to individuals throughout their treatment, and to other changes of condition. This allows clinicians and patients to recognize their successes and failures, alert clinicians to high risk situations, target and modify treatment as necessary, and for clinics and clinic managers to track and monitor the process and progress of persons under their care.
  • 1.0K
  • 28 Oct 2022
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