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{{Lang|[[Selamat datang di Appropedia|Bahasa Indonesia]] - [[Welcome to Appropedia|English]] - [[Bienvenido a Appropedia|Español]] - [[Willkommen bei Appropedia|Deutsch]] - [[Bienvenue sur Appropedia|Français]] - [[Benvenuto su Appropedia|Italiano]] - [[:Category:Português|Português]]}}
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{{:Welcome to Appropedia/box-header|<big>''Sharing knowledge to build rich, sustainable lives.''</big>|:Welcome to Appropedia/Intro|titleforegroundlink=white}}
<center> <big><big>Sharing knowledge to build rich, sustainable lives. </big></big></center>
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{{:Welcome to Appropedia/box-header|<big>Announcements &mdash; [http://blogs.appropedia.org/tag/announcements/ ''more'']</big>|:Welcome to Appropedia/Announcements|titleforegroundlink=white}}
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<center>[[Image:AFH new logo.jpg|225px]]<big>'''"earthquakes don't kill people, buildings do"'''</big></center>
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<center>On January 12<sup>th</sup>, a powerful 7.0 quake hit the impoverished nation of [[Haiti]]. There has been widespread major damage.  To contribute to [[Architecture for Humanity]]'s Haiti Build Back Better efforts, please [http://architectureforhumanity.org/donate/form?program=haiti donate].</center><br>
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<center><big>'''Countdown to 100,000 edits!'''</big></center>
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<center>At this moment, people like you have contributed [[Special:Recentchanges|{{NUMBEROFEDITS}} edits]] towards making the world a more thrivable place for all.  Thank you!
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<!-- |<center> <big>Check the Appropedia [[Appropedia:Mailing lists|mailing lists]].</big></center> -->
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<!-- [http://groups.google.com/group/appropedia-community Appropedia community] and [http://groups.google.com/group/tech-for-sustainability-wikis Site tech]. -->
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Appropedia is the site for collaborative solutions in '''sustainability''', '''poverty reduction''' and '''international development'''.  Appropedia helps us sustain our world.  Learn more at our [[Appropedia:Mission|Mission]] page.
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The material here is free for your use. So far contributors have made [[Special:Recentchanges|{{NUMBEROFEDITS}} edits]] and uploaded [[Special:Newimages|{{NUMBEROFFILES}} files]].  Search or browse our [[Appropedia:CategoryTree|categories]] or [[Special:Allpages|all '''{{NUMBEROFPAGES}}''' pages]]. 
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| width=36% style="color: #EEEECC;background:#818CA5;border-right:2px solid white;border-top:2px solid white;padding-left: .9em;padding-right: .9em;" | Newest Articles<sup>''[[Special:Newestpages|more]]''</sup>
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|width=36%  style="color: #EEEECC;background:#818CA5;border-right:2px solid white;border-top:2px solid white;padding-left: .9em;padding-right: .9em;"| Newest Categories<sup>''[http://www.appropedia.org/index.php?title=Special:Recentchanges&hideminor=1&namespace=14 more]''</sup>
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|width=28%  style="color: #EEEECC;background:#818CA5;border-right:2px solid white;border-top:2px solid white;padding-left: .9em;padding-right: .9em;"| Newest User Pages<sup>''[http://www.appropedia.org/index.php?title=Special%3ALog&type=newusers more]''</sup>
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| style="color: #EEEECC;background:#818CA5;border-top:2px solid white;border-right:2px solid white;padding-left: .9em;padding-right: .9em;"| '''<big>Please help Appropedia grow!</big>'''
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| style="background:#D9D2A9;border-right:2px solid white;padding-left: .9em;padding-right: .9em;" |We want your projects, current works, observations and wisdom! Please see our [[Help:Contributing content|"Contributing content"]] page.  You can also enrich existing articles by clicking on "edit" at the top of the page or section.  Appropedia's software is robust and forgiving, so '''[[A:BOLD|Be Bold]]''' and contribute! 
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More info on helping out is at our [[Appropedia:Community portal|Community Portal]] page.  At the moment, we are particularly looking for some help with RSS / XML.  Ask questions or leave comments at the [[Appropedia:Village pump|Village Pump]] page.
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| style="color: #EEEECC;background:#818CA5;border-top:2px solid white;border-right:2px solid white;padding-left: .9em;padding-right: .9em;" | '''<big>Other ways to get involved:</big>'''
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| style="background:#D9D2A9;border-right:2px solid white;padding-left: .9em;padding-right: .9em;" |Become a [http://www.facebook.com/appropedia Facebook Fan].  Follow us on [http://www.twitter.com/appropedia Twitter], [http://identi.ca/appropedia Identica] or [http://friendfeed.com/appropedia FriendFeed]  Stumble our links at [http://nopanacea.stumbleupon.com/ StumbleUpon] or [http://delicious.com/nopanacea Delicious].  See our images at [http://www.flickr.com/photos/appropedia Flickr] and [http://www.youtube.com/appropedia YouTube]... and make sure to add us as a friend, subscription, resource, etc. where ever you are!
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Revision as of 16:10, 20 January 2016

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Sharing knowledge to build rich, sustainable lives.

Appropedia is for collaborative solutions
in sustainability, appropriate technology, poverty reduction, and permaculture.

You are encouraged to add to and edit Appropedia -
your site to find, co-create and improve the solutions we need. Our vision and mission.

Contributors have made 402,185 edits and uploaded 32,972 files.
Browse our categories or all 8,461 articles.

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Announcements — more

Emilio-thumb.png Emilio Velis has been appointed the new Executive Director of the Appropedia Foundation! Read more...


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Dremelfuge
Open source 3-D printing of OSAT. There have been a number of open source 3D printers, such as the RepRap developed. The basic idea for this project is to use them as tools to create OSAT in the field to help the goals of sustainable development. Prices on 3D printers are dropping rapidly.

An example of how these 3D printers can be used to meet these goals is the DremelFuge. The Dremelfuge is brilliant Open Source Hardware project developed by Cathal Garvey in Ireland. The DremelFuge is a printable rotor for centrifuging standard microcentrifuge tubes and miniprep columns. It is at least 10 times less expensive than a standard centrifuge and can be used by field workers in doing things like blood tests, but also by DYI biologists and educators. It requires industry standard 1.5ml/2ml Eppendorf/Microcentrifuge tubes.

  • Used with a drill at 3000 RPM, the Dremelfuge will deliver over 400g, enough to comfortably spin down Miniprep samples (proven personally). It will likely achieve acceptable results at lower speeds, too.
  • Used at 10krpm, on a Rotary tool for instance, a Dremelfuge should deliver over 4400g, more than enough to spin down bacterial cells.
  • At 16krpm, Dremelfuge matches commercial centrifuges.
  • On a Dremel 300, a maximum speed of 33krpm equates to a force of over 50,000 times earth's gravity, which puts it into so-called "Ultracentrifuge" territory. The latest version (as printed by Shapeways) has successfully spun tubes at this speed.
edit  watch  Highlighted project (Book) (refresh)
Micro filter dams at Pedregal

Micro filter dams at Pedregal, a Permaculture Demonstration Center in Oaxaca, Mexico.

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Community action news

Above Langdon Brook - geograph.org.uk.jpg

Oct 13 Don’t frack with us: meet the victorious activist ‘Nanas’ of Lancashire [1]

Oct 10 Community involvement UK news: Becoming Unstuck With Relational Activism [2]

Oct 10 How has Denmark become regularly the happiest nation in the world? Empathy classes at school help [3]

Oct 3 Climate news 2019: What does Greta Thunberg's call for equity mean? [4]

Sep 19 Climate news 2019: For the sake of life on Earth, we must put a limit on wealth, George Monbiot [5]

Read More...


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Henry David Thoreau
For it matters not how small the beginning may seem to be: what is once well done is done forever.

Henry David ThoreauW
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Hot topics / In the news

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Blog

Estuaries and coastal waters are among the most productive ecosystems on Earth.
Water is vital for all known forms of life. Covering 71% of the Earth's surface, it is found mostly in oceans and other large water bodies. 1.6% of the total mass of the Earth's water is below ground in aquifers and 0.001% is in the air as vapor, clouds, and precipitation (rain, snow and sleet).

The Earth's water moves constantly through a cycle of evaporation and transpiration (evapotranspiration), precipitation, and runoff, usually reaching the sea. Over land, evaporation and transpiration contribute to the precipitation over land - thus deforestation and other changes to land can have wide and long-lasting effects through their impact on the water cycle.

Some observers estimate that by 2025 more than half of the world population will be vulnerable to a lack of water. Appropriate water supply and water purification technologies can help.

Related portal: Greywater
edit  watch  Selected service learning Projects gallery (refresh)

The Parras Summer Program, in Parras,W, Mexico is a summer immersion in Appropriate Technology, globalization and Spanish language and culture. See the Parras Invitation for more information.

Most of the Parras2005 group near Perote  
Most of the Parras2006 group near Perote  
Most of the Parras2007 group farming  
Most of the Parras2008 group near Perote  
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Selected categories

Topics
Energy

Solar
Water
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Construction zone — correct mistakes & flag spam as needed

Newest articles more Wanted pages - click to add info more
Under construction
New pages being developed:
  1. World Homeless Day
  2. World Mental Health Day
  3. Visions
  4. Design and Testing of a Low-Cost, Open Source, 3-D Printed Air-Bearing-Based Attitude Simulator for CubeSat Satellites
  5. Open Source Waste Plastic Granulator
  6. Atahualpa Spanish School
  7. KillAWatt
  8. Linear and Bending magnetic actuation test:MOST
  9. Jnbart
  10. Citizens' assembly

Note: Appropedia's newest pages may not yet comply with our policies. Page titles in italics are "redirects," often created when moving a page.

Under construction

Create a new page:

  1. Nutrition
  2. Bacteria‏‎
  3. Human development
  4. Environmental science
  5. Open sustainability
  6. New Urbanism‏‎
  7. Building management systems
  8. Science‏‎
  9. Microgeneration
  10. Environmental design

These red links are invitations for you to contribute your knowledge.

Or create a page on the topic of your choice.

Newest files - images and documents that can be added to pages more

Note: Appropedia's newest files may not yet comply with our policies.

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Please help Appropedia grow!

We want your projects, current works, observations and wisdom! See Contributing content. Improve articles by clicking "edit" at top of the page or section. Our philosophy is: Be Bold and contribute!

Questions? Comments? Visit the Village Pump. Also discuss Appropedia and related topics over on the Permies permaculture forums.

Find us on Facebook, Pinterest, and Twitter. Check our Flickr images and YouTube videos.

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