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=== '''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 <big>'''[[CZ:About|who we are]]'''</big>.
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See '''<big>[[Special:RecentChanges|Recent Changes]]</big>'''&mdash;an overview of articles being worked on ''now''.
===='''Become a member--it's free!'''====
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=== '''Help Write Articles about our World''' ===


Welcome to '''Citizendium''', a wiki for providing free knowledge where authors use their '''real names'''.  We write the kinds of encyclopedia-style articles that Wikipedia and other sites can't write.  We welcome anyone who wants to share their knowledge on virtually any subject.  Our online community prides itself on being congenial and supportive.


The Citizendium is a small, supportive community of collaborators who work on articles which could not be developed in Wikipedia, that are different from what Wikipedia now offers, though not necessarily either better or worse.  Please understand that we love Wikipedia; most of us consult it several times per day.  But we also understand its limitations, and that's why we support The Citizendium also, not as a competitor but as supplement.  We acknowledge and honor Wikipedia's successes in seeking to be a complete compendium of everything; it would be futile to duplicate that effort.  We also believe that the philosophy of "less is more" sometimes applies, where an important aspect of a topic can be emphasized without trying to include everything known about a given topic in a single article.


The Citizendium provides a different kind of collaborative environment than Wikipedia now offers.  We use real names, and we have a modest number of active authors so that it becomes possible to know each other well.  We strive for objectivity and quality--and civility.  We consider ourselves to be a community.    To help address control issues, we're open to having multiple articles developed on a single topic (to be located via a disambiguation page).  For those who want more fully lead the direction of an article, we allow "lead authors" on articles.  Led articles can still be collaborations, but the declared article leaders are the ones who get to guide the direction and emphasis of the article.


We have no problem whatsoever with people using The Citizendium as a staging area for an article to be copied elsewhere later (such as to Wikipedia, where it will likely be seen by more eyes).  This is legal, with the following caveats: the article remains behind on The Citizendium (may not simply be deleted), and at its new home, attribution is given to The Citizendium as per our site license.  In fact, we find these cases interesting to watch over time, to see how the two parallel articles evolve in their different hosts.


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See '''<big>[[Special:RecentChanges|Recent Changes]]</big>'''&mdash;an overview of articles we are writing ''now''.


===='''Become a member--it's free!'''====
* '''Join''' via our {{ApplicationForm}}
* [[CZ:How to start a new_article|Start a new article]]
*  Improve [[CZ:Workgroups|existing articles]]
** [[CZ:Quick Start|Quick Start]]&nbsp;|&nbsp;[[CZ:How to collaborate|How to collaborate]]&nbsp;|&nbsp;[[CZ:How To|How to format pages]]
*[[CZ:Introduction_to_CZ_for_Wikipedians|Wikipedians are '''very''' welcome]]!
* Read our [[CZ:Policies|policies]]. We [[CZ:Objectivity Guidance|strive for objectivity]].
* We [[CZ:Myths and Facts#Myth: most Citizendium articles are copied from Wikipedia.|prefer new material]] but importing is allowed in [[CZ:Import|certain conditions]].
* See articles considered [[CZ:Ready for reading|ready for reading]].
* We are a partner site with [https://www.physicsforums.com/ Physics Forums]; see [[CZ:More_information_for_Physics_Forums_Members|this]].


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!align=center colspan=3 style="background:#CCFFCC"| '''Our [[Help:Index|help system]] and [[Forum:Home|forum]]'''
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|''Questions and answers to help you find the information you need''<br />
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<h4 style="margin:0 0 0.75em; padding:0;"> '''Some of our finest''' </h4>
<h4 style="margin:0 0 0.75em; padding:0;"> '''Article counts''' </h4>
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[[:Category:Citable versions of articles|Citable Articles]] <font size=1>('''{{PAGESINCAT:Citable versions of articles}}''')</font><br />
[[:Category:Citable versions of articles|Citable Articles]] <font size=1>('''{{PAGESINCAT:Citable versions of articles}}''')</font><br />
[[:Category:Developed Articles|Developed Articles]] <font size=1>('''{{PAGESINCAT:Developed Articles}}''')</font><br />
[[:Category:Developed Articles|Developed Articles]] <font size=1>('''{{PAGESINCAT:Developed Articles}}''')</font><br />
[[:Category:Developing Articles|Developing Articles]] <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 articles]])</small>
<small>([[:Category:CZ Live|{{PAGESINCAT:CZ Live}} total articles]])</small>
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Latest revision as of 19:28, 18 February 2024

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!

Agriculture Earth Sciences Journalism Physics
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Please help today!
Please make your donations here.
Donations go to keep our servers running. See our financial report.


New Blog Post
Why save Citizendium? My reason number 1.





















Article counts

Citable Articles (145)
Developed Articles (1,147)
Developing Articles (8,088)
Stubs (8,029)
(17,529 total articles)

[The reader] must write the text as much as possible in order to avoid being written by the text's ideology. — Phillipe Soller, novelist

       —add a quotation about knowledge or writing

Featured Article: Caterpillar Club/Citable Version

The Irvin pin. The eyes have always been red, but there are urban legends about the meanings of other colors.
A pin from another company, possibly Switlik or Standard Parachute. This style is common in catalogs and auctions of military memorabilia.

The Caterpillar Club is an informal association of people who have successfully used a parachute to bail out of a disabled aircraft. After authentication by the parachute maker, applicants receive a membership certificate and a distinctive lapel pin.

History

Before April 28, 1919 there was no way for a pilot to jump out of a plane and then to deploy a parachute. Parachutes were stored in a canister attached to the aircraft, and if the plane was spinning, the parachute could not deploy. Film industry stuntman Leslie Irvin developed a parachute that the pilot could deploy at will from a back pack using a ripcord. He joined the Army Air Corps parachute research team, and in April 1919 he successfully tested his design, though he broke his ankle during the test. Irvin was the first person to make a premeditated free fall jump from an airplane. He went on to form the Irving Airchute Company, which became a large supplier of parachutes. (A clerical error resulted in the addition of the "g" to Irvin and this was left in place until 1970, when the company was unified under the title Irvin Industries Incorporated.) The Irvin brand is now a part of Airborne Systems, a company with operations in Canada, the U.S. and the U.K.[1].

An early brochure [2] of the Irvin Parachute Company credits William O'Connor 24 August 1920 at McCook Field near Dayton, Ohio as the first person to be saved by an Irvin parachute, but this feat was unrecognised. On 20 October 1922 Lieutenant Harold R. Harris, chief of the McCook Field Flying Station, jumped from a disabled Loening W-2A monoplane fighter. Shortly after, two reporters from the Dayton Herald, realising that there would be more jumps in future, suggested that a club should be formed. 'Caterpillar Club' was suggested because the parachute canopy was made of silk, and because caterpillars have to climb out of their cocoons and fly away. Harris became the first member, and from that time forward any person who jumped from a disabled aircraft with a parachute became a member of the Caterpillar Club. Other famous members include General James Doolittle, Charles Lindbergh and (retired) astronaut John Glenn.

In 1922 Leslie Irvin agreed to give a gold pin to every person whose life was saved by one of his parachutes. By 1945 the number of members with the Irvin pins had grown to over 34,000. In addition to the Irvin Air Chute Company and its successors, other parachute manufacturers have also issued caterpillar pins for successful jumps. Irvin/Irving's successor, Airborne Systems Canada, still provides pins to people who made their jump long ago and are just now applying for membership. Another of these is Switlik Parachute Company, which though it no longer makes parachutes, still issues pins.

Footnotes