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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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Valuation
In finance, valuation is the process of determining the present value (PV) of an asset. In a business context, it is often the hypothetical price that a third party would pay for a given asset. Valuations can be done on assets (for example, investments in marketable securities such as companies' shares and related rights, business enterprises, or intangible assets such as patents, data and trademarks) or on liabilities (e.g., bonds issued by a company). Valuations are needed for many reasons such as investment analysis, capital budgeting, merger and acquisition transactions, financial reporting, taxable events to determine the proper tax liability.
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  • 11 Oct 2022
Topic Review
Social Proof
Social proof is a psychological and social phenomenon wherein people copy the actions of others in an attempt to undertake behavior in a given situation. The term was coined by Robert Cialdini in his 1984 book Influence: Science and Practice, and the concept is also known as informational social influence. Social proof is considered prominent in ambiguous social situations where people are unable to determine the appropriate mode of behavior, and is driven by the assumption that the surrounding people possess more knowledge about the current situation. The effects of social influence can be seen in the tendency of large groups to conform. This is referred to in some publications as the herd behavior. Although social proof reflects a rational motive to take into account the information possessed by others, formal analysis shows that it can cause people to converge too quickly upon a single distinct choice, so that decisions of even larger groups of individuals may be grounded in very little information (see information cascades). Social proof is one type of conformity. When a person is in a situation where they are unsure of the correct way to behave, they will often look to others for clues concerning the correct behavior. When "we conform because we believe that others' interpretation of an ambiguous situation is more accurate than ours and will help us choose an appropriate course of action", it is informational social influence. This is contrasted with normative social influence wherein a person conforms to be liked or accepted by others. Social proof often leads not only to public compliance (conforming to the behavior of others publicly without necessarily believing it is correct) but also private acceptance (conforming out of a genuine belief that others are correct). Social proof is more powerful when being accurate is more important and when others are perceived as especially knowledgeable. In 2020, a young scientist from Poland , Michal Klichowski, proved that this phenomenon also applies to interactions with artificial intelligence. His results show a new AI proof mechanism: AI that people have more and more contact with is becoming a new source of information about how to behave and what decisions to take.
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  • 11 Oct 2022
Topic Review
Yvelines
Yvelines (/iːvlɪnz/, /iːvlaɪnz/; French: [ivlin] (listen)) is a department in the western part of the Île-de-France region in Northern France. In 2016, it had a population of 1,431,808. Its prefecture is Versailles, home to the Palace of Versailles, the principal residence of the King of France from 1682 until 1789, a UNESCO World Heritage Site since 1979. Yvelines' subprefectures are Saint-Germain-en-Laye, Mantes-la-Jolie and Rambouillet.
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  • 11 Oct 2022
Topic Review
Carbon Capture and Storage (Timeline)
The milestones for carbon capture and storage show the lack of commercial scale development and implementation of CCS over the years since the first carbon tax was imposed. The time line of carbon capture and storage announcements and developments follows:
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  • 11 Oct 2022
Topic Review
Preterism
Preterism, a Christian eschatological view, interprets some (partial preterism) or all (full preterism) prophecies of the Bible as events which have already happened. This school of thought interprets the Book of Daniel as referring to events that happened from the 7th century BC until the first century AD, while seeing the prophecies of the Book of Revelation as events that happened in the first century AD. Preterism holds that Ancient Israel finds its continuation or fulfillment in the Christian church at the destruction of Jerusalem in AD 70. The term preterism comes from the Latin praeter, which is a prefix denoting that something is "past" or "beyond". Adherents of preterism are known as preterists. Preterism teaches that either all (full preterism) or a majority (partial preterism) of the Olivet discourse had come to pass by AD 70. Historically, preterists and non-preterists have generally agreed that the Jesuit Luis de Alcasar (1554–1613) wrote the first systematic preterist exposition of prophecy Vestigatio arcani sensus in Apocalypsi (published in 1614) during the Counter-Reformation.
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  • 11 Oct 2022
Topic Review
Mechanism
Mechanism is the belief that natural wholes (principally living things) are similar to complicated machines or artifacts, composed of parts lacking any intrinsic relationship to each other. The doctrine of mechanism in philosophy comes in two different flavors. They are both doctrines of metaphysics, but they are different in scope and ambitions: the first is a global doctrine about nature; the second is a local doctrine about humans and their minds, which is hotly contested. For clarity, we might distinguish these two doctrines as universal mechanism and anthropic mechanism.
  • 3.1K
  • 11 Oct 2022
Topic Review
Permian–Triassic Extinction Event
The Permian–Triassic extinction event, also known as the P–Tr extinction, the P–T extinction, the End-Permian Extinction, and colloquially as the Great Dying, formed the boundary between the Permian and Triassic geologic periods, as well as between the Paleozoic and Mesozoic eras, approximately 252 million years ago. It is the Earth's most severe known extinction event, with up to 96% of all marine species and 70% of terrestrial vertebrate species becoming extinct. It was the largest known mass extinction of insects. Some 57% of all biological families and 83% of all genera became extinct. There is evidence for one to three distinct pulses, or phases, of extinction. Potential causes for those pulses include one or more large meteor impact events, massive volcanic eruptions (such as the Siberian Traps), and climate change brought on by large releases of underwater methane or methane-producing microbes. The speed of the recovery from the extinction is disputed. Some scientists estimate that it took 10 million years (until the Middle Triassic), due both to the severity of the extinction and because grim conditions returned periodically for another 5 million years. However, studies in Bear Lake County, near Paris, Idaho, showed a relatively quick rebound in a localized Early Triassic marine ecosystem, taking around 2 million years to recover, suggesting that the impact of the extinction may have been felt less severely in some areas than others.
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  • 11 Oct 2022
Topic Review
Revenge
Revenge is defined as the act of committing a harmful action against a person or group in response to a grievance, be it real or perceived. Francis Bacon described revenge as a kind of "wild justice" that "does... offend the law [and] putteth the law out of office." Primitive justice or retributive justice is often differentiated from more formal and refined forms of justice such as distributive justice and divine judgment.
  • 3.2K
  • 11 Oct 2022
Topic Review
Open Diary
Open Diary (often abbreviated as "OD") is an online diary community, an early example of social networking software. It was founded on October 22, 1998. Open Diary went offline on February 7, 2014, but was re-launched on January 26, 2018. The site was owned and operated by Bruce Ableson and Susan Ableson, known on the Open Diary website by the title of their diaries, The DiaryMaster and The DiaryMistress. Ableson has described Open Diary as "the first web site that brought online diary writers together into a community." Open Diary has hosted more than five million diaries since it was founded, and was home to over half a million diaries. As of October 2008, there were over 561,000 diaries on OpenDiary.com, including diaries from 77 different countries and all 7 continents. The site innovated some key features that later became central to the architecture of other social networking and blogging sites, including reader comments and friends-only privacy.
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  • 11 Oct 2022
Topic Review
Chlorophyllide
Chlorophyllide a and Chlorophyllide b are the biosynthetic precursors of chlorophyll a and chlorophyll b respectively. Their propionic acid groups are converted to phytyl esters by the enzyme chlorophyll synthase in the final step of the pathway. Thus the main interest in these chemical compounds has been in the study of chlorophyll biosynthesis in plants, algae and cyanobacteria. Chlorophyllide a is also an intermediate in the biosynthesis of bacteriochlorophylls.
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  • 11 Oct 2022
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