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|[[Image:Writeathon.png|left|40px]]<center><BIG>'''Our first ever [[CZ:Monthly Write-a-Thon|Write-a-Thon II]]!</BIG><br />''Return for more on Sunday, February 8th!'''''</center><br />
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You're invited to start a new article when it's Sunday in your part of the world, and edit somebody else's new article. It's a '''[[CZ:Monthly Write-a-Thon|Write-a-Thon]]'''!  It's a wiki-whoopie, a cyber-social, a collaborative kegger!  '''Are you new?'''  This is a good day to get a [[CZ:Quick Start|Quick Start]]!
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Welcome to '''Citizendium''', a wiki for providing free knowledge where authors use their '''real names'''.  We regard information as a public good and welcome anyone who wants to share their knowledge on virtually any subject.  Our online community prides itself on being congenial and supportive.  Read more about <big>'''[[CZ:About|who we are]]'''</big>.


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=== '''A new wiki encyclopedia project&mdash;and more!''' ===
<blockquote>
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{{Image|Water drop crop.jpg|center|300px|Each sentence you add is another drop in an expanding sea of words.}}


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=== Some of our finest <font size=1>[&nbsp;[[CZ:Approval Process|about]]&nbsp;] </font> ===
[[Image:Approved.png|35px|35px|left]]
:* [[:Category:Approved Articles|Approved Articles]]
:* [[:Category:Developed Articles|Developed Articles]] <font size=1>(over&nbsp;900)</font>
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|<div style="background-color:lightyellow; color:darkblue; font-size:90%"><!--
<center>'''"Share your knowledge. It's a way to achieve immortality."'''</center>
<center>&mdash;Jackson Brown and H. Jackson Brown, Jr., ''Life's Little Instruction Book''</center>
<center>'''"The ink of the learned is equal in merit to the blood of the martyrs."'''</center>
<center>&mdash;Father Kristoforos, '[[''Birds Without Wings'']], by [[Louis de Bernieres]]</center>
<center>'''"Trust yourself. You know more than you think you do."'''</center>
<center>&mdash;[[Benjamin Spock|Dr. Benjamin Spock (1903-1998)]]</center>
<center>'''"Knowledge is the true organ of sight, not the eyes."'''</center>
<center>&mdash;From the [[Panchatantra|Panchatantra]] [http://www.britannica.com/EBchecked/topic/440899/Panchatantra (Indian literature)]</center>
<center>'''"If you have knowledge, let others light their candles in it.'''"</center>
<center>&mdash;[[Margaret Fuller|Margaret Fuller (1810-1850)]]</center>
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<center>&mdash;[[Kahlil Gibran]]</center>
<center>'''"I was brought up to believe that the only thing worth doing was to add to the sum of accurate information in the world."'''</center>
<center>&mdash;[[Margaret Mead]]</center>
<center>'''"Knowledge is the true organ of sight, not the eyes."'''</center>
<center>&mdash;From the [[Panchatantra|Panchatantra]] [http://www.britannica.com/EBchecked/topic/440899/Panchatantra (Indian literature)]</center> -->
<center>'''"The ink of the learned is equal in merit to the blood of the martyrs."'''</center>
<center>&mdash;Father Kristoforos, [http://www.randomhouse.com/catalog/display.pperl?isbn=9781400079322&view=rg ''Birds Without Wings''], by [http://www.contemporarywriters.com/authors/?p=auth2 Louis de Bernieres (b. 1954)]</center>
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=== Article of the Week <font size=1>[ [[CZ:Article of the Week|about]] ]</font> ===
{{Image|Shallow Ground-level Trickle Filters.jpg|right|274px|Large, shallow ground-level trickle filters in a municipal wastewater treatment plant}}
'''Large-scale trickle filters''' are wastewater treatment facilities for biochemically oxidizing biodegradable substances present in wastewaters. They consist of a fixed bed of [[Rock (geology)|rock]]s, [[gravel]], [[slag]], [[polyurethane|polyurethane foam]] or plastic media over which [[sewage]] or other [[biodegradable]] [[wastewater]] percolates downward and is contacted with a layer or film of [[Microbe|microbial]] slime covering the bed media. [[Aerobic]] conditions are maintained by air flowing through the bed.


The terms ''trickling biofilter'', ''biofilter'', ''biofilm reactor'', ''biological filter'', ''biological trickling filter'' and ''biotower'' are often used to refer to a trickle filter. These systems have also been described as an attached growth process
, a fixed film process, [[Packed bed|packed media bed]] filters, roughing filters  and percolating filters. 
<font size=1>[[Large-scale trickle filters|['''more...''']]]</font>


=== New Draft of the Week <font size=1>[ [[CZ:New Draft of the Week|about]] ]</font> ===
'''Joseph Black''' (1728-1799), was a Scottish chemist and physicist, known for the concepts of [[latent heat]] and [[specific heat]], and for the discovery of [[carbon dioxide]]. He was a founder of [[thermochemistry]], and was the mentor of [[James Watt]]. Black was a member of the [[Poker Club]] and friend of [[David Hume]], [[Adam Smith]], [[James Hutton]] and other leading figures of the [[Scottish Enlightenment]]. 


Joseph Black was one of fifteen children (8 sons and 5 daughters surviving). His father, John Black, was a wine merchant; his mother, Margaret, was from Aberdeenshire. At the age of twelve, he was sent to a grammar school in Belfast to learn Latin and Greek. In 1744 he enrolled at [[Glasgow University]] to study arts, subsequently changing, to study medicine. There, [[William Cullen]] was his instructor in chemistry, and the relation between the two soon became that of professor and assistant rather than of master and pupil. <font size=1>[[Joseph Black|['''more...''']]]</font>
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<h4 style="margin:0 0 0.75em; padding:0;"> '''Article counts''' </h4>
<p style="line-height:15px; padding-left:20px;">
[[:Category:Citable versions of articles|Citable]] <font size=1>('''{{PAGESINCAT:Citable versions of articles}}''')</font><br />
[[:Category:Developed Articles|Developed]] <font size=1>('''{{PAGESINCAT:Developed Articles}}''')</font><br />
[[:Category:Developing Articles|Developing]] <font size=1>('''{{PAGESINCAT:Developing Articles}}''')</font><br />
[[:Category:Stub Articles|Stubs]] <font size=1>('''{{PAGESINCAT:Stub Articles}}''')</font><br />
<small>([[:Category:CZ Live|{{PAGESINCAT:CZ Live}} total]])</small>
</p>
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----<h3 style="margin-top:0; padding-top:0.6em; border-top:1px dotted #e0e0e0;">
<big>[[CZ:Featured article|Featured Article]]: ''[[{{FeaturedArticleTitle}}]]''</big>
</h3>
{{CZ:Featured article/Current}}
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<div style='text-align: right;'><small>''[[{{FeaturedArticleTitle}}|Continued]]...''</small></div>

Revision as of 08:43, 3 October 2024

New Blog Post
Why is Citizendium deleting articles?


Help Write Articles about our World

Welcome to Citizendium, a wiki for providing free knowledge where authors use their real names. We regard information as a public good and welcome anyone who wants to share their knowledge on virtually any subject. Our online community prides itself on being congenial and supportive. Read more about who we are.


See Recent Changes—an overview of articles being worked on now.

Become a member--it's free!

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Article counts

Citable (146)
Developed (1,129)
Developing (7,397)
Stubs (7,674)
(16,476 total)

…it is what you learn by writing that gives the work its pull.
— David McCullough, from Mornings on Horseback

       —add a quotation about knowledge or writing


Featured Article: Poverty

The Mathare Valley slum near Nairobi, Kenya, in 2009.

Poverty is deprivation based on lack of material resources. The concept is value-based and political. Hence its definition, causes and remedies (and the possibility of remedies) are highly contentious.[1] The word poverty may also be used figuratively to indicate a lack, instead of material goods or money, of any kind of quality, as in a poverty of imagination.

Definitions

Primary and secondary poverty

The use of the terms primary and secondary poverty dates back to Seebohm Rowntree, who conducted the second British survey to calculate the extent of poverty. This was carried out in York and was published in 1899. He defined primary poverty as having insufficient income to “obtain the minimum necessaries for the maintenance of merely physical efficiency”. In secondary poverty, the income “would be sufficient for the maintenance of merely physical efficiency were it not that some portion of it is absorbed by some other expenditure.” Even with these rigorous criteria he found that 9.9% of the population was in primary poverty and a further 17.9% in secondary.[2]

Absolute and comparative poverty

More recent definitions tend to use the terms absolute and comparative poverty. Absolute is in line with Rowntree's primary poverty, but comparative poverty is usually expressed in terms of ability to play a part in the society in which a person lives. Comparative poverty will thus vary from one country to another.[3] The difficulty of definition is illustrated by the fact that a recession can actually reduce "poverty".

Causes of poverty

The causes of poverty most often considered are:

  • Character defects
  • An established “culture of poverty”, with low expectations handed down from one generation to another
  • Unemployment
  • Irregular employment, and/or low pay
  • Position in the life cycle (see below) and household size
  • Disability
  • Structural inequality, both within countries and between countries. (R H Tawney: “What thoughtful rich people call the problem of poverty, thoughtful poor people call with equal justice a problem of riches”)[4]

As noted above, most of these, or the extent to which they can be, or should be changed, are matters of heated controversy.

Footnotes

  1. Alcock, P. Understanding poverty. Macmillan. 1997. ch 1.
  2. Harris, B. The origins of the British welfare state. Palgrave Macmillan. 2004. Also, Oxford Dictionary of National Biography.
  3. Alcock, Pt II
  4. Alcock, Preface to 1st edition and pt III.