Talk:Appropriate technology

message: I suggest adding a variant of the picture Water system with cistern , where the pressure vessel is removed and the cistern itself works as a pressure vessel. This would allow the system to be build DIY (rather than needing to buy a pressure vessel or weld your own pressure vessel casing. Please include in article. 
Perhaps diy water towers can also be included, as they allow multiple users to take advantage of a single system (reduces cost). However, the downside would be that if the tower fails, part of or the entire village would be affected. If this happens (especially in remote arid/desert-like locations, repairs will go slow aswell (water being important to work in order to make repairs) and replacement parts may not always be available. Also, another thing is dislike in water towers is that they are outdated and somewhat inefficient (a pump is required too to pump the water up, its only after the elevation that it can works without electricity or extra pumps).
81.246.161.76 (talk) 12:21, 23 January 2009 (UTC)
thread_title: Water supply

message: Water towers in the developing world may be used as a energy storage device. This can be done by adding a hydropower generator on the tube. This allows the height difference to be used as a energy source. Conversions of regular towers are theoretically also possible  —Preceding unsigned comment added by 81.245.163.19 (talk) 12:05, 22 April 2009 (UTC)
thread_title: Water tower conversions

message: Perhaps hair removal and laser hair removal machines can be presented as appropriate technology (increase hygiene and thus decrease disease, ...) see for example the Rio Salon Laser Scanning Hair Remover. This machine or a low-cost derivated machine can be proposed (home-use, 200£).
81.246.183.119 (talk) 12:34, 18 February 2009 (UTC)
thread_title: Hair removal machine

message: Perhaps a telepresence robot (eg Sparky) fitted with the multimachine (see Open-source robotics) could be useful for closing the technical inexpertise in workshops of developing countries.  —Preceding unsigned comment added by 81.246.183.119 (talk) 13:01, 18 February 2009 (UTC)
thread_title: Telepresence robot with Multimachine

message: M K Ghosh, Chaman Lal Gupta, Sen Kapadia, B.V. Doshi (see http://www.indiaenvironmentportal.org.in/node/5799 and http://www.auroville.org/thecity/architecture/two_at_once.htm
and Mahatma Gandhi (1869-1948), E.F. Schumacher (1911-1977), Buckminster Fuller, William Moyer (1933-2002), Satish Kumar (1936-present), Amy B. Smith,Amory Lovins, Sanoussi Diakité,Anil K. Rajvanshi
Victor Papanek, Johan Van Lengen and Arne_Næss (1912-present) should be added in extra sections and hailed as the founders of AT. Also add them in the category appropriate technology or subcategory
Perhaps include the tinytech machines (see here, supposedly a AT factory)  —Preceding unsigned comment added by 81.245.168.190 (talk) 08:54, 12 February 2009 (UTC)
replies: text: These people are not appropriate technology founders. At most two of them Mahatma Gandhi and E.F. Schumacher can be called as such. The others are well known practioners. Hence I have made the necessary changes in the heading.
Phniwasi (talk) 04:25, 20 April 2009 (UTC)
thread_title:  Appropriate technology founders 

message: A simplified english as the only spoken language is an appropriate technology and can be implemented in appropriate technology documents and books. Also, standards and rules to only use one type of mains electricity system (amount of volt & frequency) is best used to allow the
building of internationally invariable electric devices and machines. see http://en.wikiversity.org/wiki/Juridical_national_measures_on_climate_change#Optional_digitalisation_of_city_communal_services
and
* Mains_power_systems 
* Mains_electricity
* International_English
* Simplified_English 
* Simple_English
Thanks,
81.246.130.16 (talk) 13:29, 22 February 2009 (UTC)
thread_title: International language and electricity system

message: Perhaps bikes without chains (eg shaft-driven or hydraulic bicycles) and Airless tires are more appropriate bicycles. Would reduce malfuntionings and more difficult bike repair trainings required today. Perhaps tubeless wheels can be used as a basis in which latex can be poured. —Preceding unsigned comment added by 81.246.163.71 (talk) 10:55, 27 February 2009 (UTC)
thread_title: Chainless bike with airless tires

message: I was wondering whether anyone knows whether there are ecological and simpler alternatives to PCB boards. I was thinking about Wire_wrap, Stripboard and the like yet am not sure whether environmental and whether any difficult circuits can be made with this. Wafer-level packaging (this is I believe only used with certain components) can also sometimes? be used. Also not sure whether very environmental (presence of glues, and hazardous materials as certain plastics, ...). I also heard about the Tin-Lead ban, see leadfree soldering which has introduced the creation of alternatives (eg SnAgCu, SnCu and Sn alone). I also heard about 
anisothropically conductive glues (these are not environmental) and isothropically conductive glues (respectively ACA and ICA), glues for flip-chip assembly... yet not sure whether truly ecologic and whether its any durable. 
Perhaps Sn alone is most appropriate? This will need to be checked and further compared dough. See http://www.europeanleadfree.net, http://www.imec.be/IMECAT/, http://www.imec.be/IMECAT/documents/16_2004_IPC_Frankfurt_Vandevelde_paper.pdf
A appropriate solder and soldering method should be the following:
* easy assembly and disassembly of board, components and solder (so best no alloys as this reduces options with melting the parts off)
* no etching (this would promote loss of soldering material); instead direct application of paste eg by hand soldering as in reflow soldering or automated (with workshop pick&place robots)
An alternative is the use of organic materials (which are thus consistent to cradle-to-cradle design). Certain (not all!) smart plastics can be used. Examples are PEDOT:PSS. However, this approach is not yet suited today to make any durable or more advanced circuits.
Also, could any other techniques as flow soldering, E-blocks, FPGA, EasyControl I/O, ... be used. E-blocks also uses flowcode as a coding language. Not sure whether this is easy to learn (aldough most coding can be simply downloaded if open-source).
In addition, a suggestion on the LED-lamps. These are I believe quite expensive. In order to decrease price, I was wondering whether LED's may be made DIY (they are composed of a die, lens, cooling body and connection wires. Compounds used include aluminum, indium, gallium, phosphor, nitrogen. Especially low-power leds seem easy to build, high power ones may?? be achievable using techniques as Lumiramica (uses phosphor plates instead of powder).
An alternative is the procuring of mere high-power LEDs (eg Lumileds Rebel Led, Osram Opto Semiconductors Golden Dragon, Cree X-lamp, ...)and installing them yourself with the open source LEDbus system. This may be cheaper than buying LED lamps with imbedded electronics.  —Preceding unsigned comment added by 81.246.131.67 (talk) 09:59, 6 March 2009 (UTC)
thread_title:  Electronics 

message: Synthetic biology could make cheap generators for hydrogen gas and could provide a cheap and easy way to make electronic boards. See Angela Belchers project
81.245.168.62 (talk) 14:27, 13 April 2009 (UTC)
thread_title: Synthetic biology

message: After some research (see updates at Alternative currency), the use of a specific alternative currency (not devaluating in time; eg no "schwundgeld") could be useful. This currency would be a currency specific for trading between villages (thus not between individuals). It would be a city gift currency; and the working would be as follows:
each city is given at the start a same negative amount of credits. If a certain city requests the ordering of eg a set of windturbines, casted metals, tools, ... the product is made and delivered abd at the same time, the giving partner is given a same amount of negative points which they can use to ask another product in return (of a same value of negative points). The negative value of a product depends on the amount of workhours and the type/amount of source material used. The current amount of negative (good) or positive (bad) credits can be shown in the cities townhall (preferably on a electronic billboard together with other information; supplied via RSS) 
The system would encourage city trade of autonomous energy products, and other products required for ecologic, autonomous functioning of the city. As such, it would increases economy, employment and promote healthy rivalry/competitions (building new systems and trading them, ...).
it would increase specialisation of each system, dividing the production of different autonomous systems (eg water harvesting, energy generation systems, ...)? This would decrease the costs as less workshops would be needed for the cities of a certain area (one area should have several cities; each specialising in the essential systems and located at a manageable/transportable distance)  —Preceding unsigned comment added by 81.246.146.11 (talk) 15:17, 13 March 2009 (UTC)
thread_title: Use of alternative currency

message: I just added another design for a low-cost village. See here. This design has some new features including the seperation of rooms and making them communal (reduces cost, decreases cleaning, ...) This design makes use of a solar batch heater for heating the water for the showers. This batch heater would be a heater like thumb|right|150px|this one, but automatic temperature control (set to eg 40°C) should be added. As such a open-source design for this temperature controller should be made. The automatic control can be created in practice by 2 tanks --> 1 with cold(er) water (eg 20° or so; ambient temperature) and 1 with warm water (this tank can be the batch heater itself). The tank with colder water needs to be shielded from the sun (eg by underground placement, ...). The 2 tanks can be connected to 1 large(r) tank that will be the primary buffer for the shower (here the water needs to be 40°). The valves of the (hot&cold) tanks will be automatically controlled by the temperature controller. The batch heater itself may be fitted with a electric coil for heating when the water cannot be heated enough by the sun; in not so sunny areas the batch heater can be improved by targeting light at it with parabolic dishes.
The 40° water generated by the solar/electrical heating system can also be used for the laundry center/washing machines noted in the design. The piping may be merely extended (1 branch offcourse already going to showers; another continuing to washing machines/laundry center) and the 40° water inmediatelly enters the (open-source design; see above) laundry center. Here the water may be used as is, or be heated again in the washing machines (depends on washing program; imbedded machine thermostat will determine this)
Note that instead of the batch heater, the Concentrating Solar Power plant itself (noted in the design) can also function as a batch heater. However, the CSP would then require 2 piping circuits (one for heating the shower water and 1 for the energy generation; the latter runs on chemical fluids and not water). Nonetheless the 2 circuits can be integrated into the same tower and make use of the same solar power.  —Preceding unsigned comment added by 81.245.166.227 (talk) 07:54, 18 March 2009 (UTC)
thread_title: Improved solar heater

message: Does anyone know fraction 1 protein; which can be made by making a paste from tabacco leaves ? It was invented by Shuh Sheen of the Kentucky University see
here I was wondering about whether this crop may be used as an easy food source (contains high amounts of protein). This would physically strengthen population and tobacco is easy to grow in tropical/subtropical areas. Not sure whether tasty, ... dough. Also not completely sure about potential toxic substances (eg nicotine). Let me know.  —Preceding unsigned comment added by 81.245.166.227 (talk) 08:04, 18 March 2009 (UTC)
thread_title: Fraction 1 protein

message: thumb|right|150px
The Nabataeans had ceramic pipeline irrigation in the old days, which I believe could be an appropriate irrigation system. The Jacob Blaustein Institute conducts research to these nabataeans irrigation techniques. This in order to make low-cost irrigation systems to cope with the flooding periods (strange but true). It will help in preserving the rain that falls in these periods to water the crops for a great amount of time. Eg ceramic pipelines/terracotta canals can be a low cost solution
see 
http://desert.bgu.ac.il/desert/EngSite.aspx?SiteId=3327&ItemId=4945
http://www.hackwriters.com/Nabataeans.htm
http://www.amnh.org/education/resources/rfl/pdf/petra_guide.pdf  —Preceding unsigned comment added by 81.246.180.114 (talk) 18:37, 29 March 2009 (UTC)
thread_title: Irrigation

message: I recenently take a look at the mayapedal (http://www.appropedia.org/MayaPedal). Seems to me that a open-sourced version of the Pedal-A-Watt (see http://www.econvergence.net/electro.htm) would be more approriate as the bike can still be used for transport.
Also, should Nanosolar best be added to article, according to time magazine (50 greatest inventions) their solar panels are way cheaper made and sold. However, there are a great number of other panels (see peswiki) that may be cheap and/or have greater energy output (making price perhaps competetive if they are compared per watt produced). However, not all produced energy is always stored on the other hand in developing countries, making a cheaper panel perhaps cheaper in all.  —Preceding unsigned comment added by 81.246.148.68 (talk) 14:42, 22 March 2009 (UTC)
thread_title: Improved MayaPedal

message: A DIY hydrogen and oxyhydrogen generator should also be added. It allows to generate hydrogen which can fuel converted internal combustion engines (eg of old fixed-up cars/vehicles; found abundantly in the developed world).
DIY shematics/documents for electrolysis can be made from instructions such as in the following book: http://www.goodideacreative.com/h2_sys2.html , aswell as
many other DIY low-cost generators can be found online; eg
http://www.youtube.com/watch?v=NX-vbcaEEWA
http://www.instructables.com/id/SODA-CAN-HYDROGEN-GENERATOR/
water4gas HHO generator
however, the best generator would be made using bacteria.
Synthetic biology can be used to create a generator that uses no initial power (which is the major problem with hydrogen; more power needs to be generated than what is produced in hydrogen). However, at present it has not yet produced a viable organic hydrogen generator. Synthetic biology and hydrogenSynthetic biology to make hydrogenSynthetic biology at Berkeley Lab
81.246.176.42 (talk) 08:45, 10 April 2009 (UTC)
replies: text: I recently read about liquid nitrogen. Apparently, this "fuel" can also be burnt in a ICe engine. If so (and if liquid nitrogen generation is possible at home), a liquid nitrogen generator too should be added.  —Preceding unsigned comment added by 81.245.167.2 (talk) 14:46, 12 April 2009 (UTC)
thread_title: Hydrogen and oxyhydrogen generator

message: I recently looked at a project of Agro Vision, and it seems that satellite images can be used to determine moisture, nitrogen, co²-intake, ... They are working on localized fertilisation (eg by gps-controlled fertilisermachine) were the input data (nutrient content of soil) comes from satellite data. 
If this approach allows enough minerals (nitrogen, potassium, ...) to be recorded it may be very useful. See http://www.articlesbase.com/environment-articles/agriculture-crop-management-and-production-improved-by-satellite-remote-sensing-technology-and-geographic-information-systems-gis-463274.html
and the AgriVision-project at http://www.agrivision.net.au/variable-rate.php
This approach could be used to replace the more expensive sampling of the soil (by hand) in remote areas. In one of my designs sent earlier, I also mentioned a "farming-manual (telling people in developing world how they may farm more productively and without non-biodegradable pesticides). This approach should be mentioned herein.
Besides checking whether enough parameters can be recorded, it should be checked whether UAV's can also perform this "remote sensing".  —Preceding unsigned comment added by 81.246.142.167 (talk) 14:16, 25 March 2009 (UTC)
thread_title: Soil survey using satellite-images

message: http://www.flipkart.com/environmental-education-prof-purushotham-reddy/8183161219-9v23frh15b
Not sure whether it is a appropriate technology advocate and whether he may be included to list. May have some ideas in book the AT community may use  —Preceding unsigned comment added by 91.182.176.136 (talk) 12:21, 21 June 2009 (UTC)
thread_title: Purushotham Reddy

message: I propose to make a article called workshop tools mentioning the most important (multifunctional tools). Also, i'm not sure whether it is most useful to use molds or use stuff like a 3D CNC milling machine to make stuff like gears, ... Anyone knows what a 3D printer is? the article isnt that clear, it appears that wooden, ... objects can be made with it but not sure. Some of the tools (eg screwdrivers) need to be simplified; meaning that the amount of different types of screws, ... needs to be limited to keep the amount of different workshop tools, ... low  —Preceding unsigned comment added by 91.176.1.77 (talk) 17:09, 4 July 2009 (UTC)
thread_title: Workshop tools

message: Would it be useful to mention the 
Talk:Stethoscope#Vuvuzela_stethoscope ?  —Preceding unsigned comment added by 91.182.227.212 (talk) 12:34, 6 September 2010 (UTC)
thread_title: Health care

message: Though cited, I wonder if the second paragraph of this article summary is too biased in nature?
"With environmental and ethical goals in mind, AT proponents claim their methods require fewer resources, are easier to maintain, and have less of an impact on the environment compared to techniques from mainstream technology, which they contend is wasteful and environmentally polluting."
With the community's approval I would like to suggest it be revisited and most likely rewritten or removed. I believe it is possible to convey the tenets of appropriate technology with out directly criticizing other forms of technology. Though this difference between appropriate technology and other forms is clearly something to include in the article, I question the placement in the summary and as the second paragraph. 
EstellaGr8 (talk) 12:56, 16 March 2011 (UTC)
replies: text: I concur, and would support your proposed change.  You may want to consider placing an article-level tag such as  or  at the top of the article while this discussion is going on.  It let's other readers and editors of the article know that a discussion is going on and invites them to weigh in.  Generally, these sorts of article-level tags are best if used only for a short period of time while active work is going on to improve an article, or gain consensus in the wikicommunity who frequent a given article, and then remove it as the issue is addressed.  Cheers.  N2e (talk) 16:37, 16 March 2011 (UTC)
thread_title:  Bias? 

message: As part of the Public Policy WikiProject, I plan to work on the following edits:
# Edit the lede to remove possible biased information. I have created a rough draft of my proposed lede in my sandbox and would appreciate any comments from the the Wiki community. With the community's approval I would like to replace the existing lede with this proposed lede before April 10, the course deadline for these changes.
# Expand the background section to includes greater detail and a history of appropriate technology (possibly incorporating the founders section).I am working on the rough draft of my history section in my sandbox and would appreciate any comments from the the Wiki community. I am also suggesting a slightly new organization to the article which is reflected in my sandbox as well.
# Expand the appropriate technology in developing areas section to include more detail.
As part of these edits, I plan to consult the following sources:
*Hazeltine, B. & Bull, C. (1999). Appropriate Technology: Tools, Choices, and Implications. San Diego: Academic Press.
*Ghosh, P.K. (1984). Appropriate Technology in Third World Development. Center for International Development. London: Greenwood Press.
*Willoughby, K.W. (1990). Technology Choice: A Critique of the Appropriate Technology Movement. London: Intermediate Technology Publications.
*National Research Council. (2006). The Fundamental Role of Science and Technology in International Development. Washington, D.C.: The National Academies Press.
*Pursell, C.W. (2007). Technology in Postwar America: A History. New York: Columbia University Press.
*McRobie, G. (1981). Small is Possible. New York: Harper & Row. 
* Akubue, A. (2000). "Appropriate Technology for Socioeconomic Development in Third World Countries." The Journal of Technology Studies. Vol. 26, No. 1 (pp.33-43). Bowling Green, Ohio: Epsilon Pi Tau.
*Montgomery, J.D. (1979, March). "Beyond Appropriate Technology." Bulletin of the American Academy of Arts and Sciences. Vol. 32, No. 6 (pp.19-37).
*The Cooper Hewitt Design for the other 90% Exhibit.
*Village Earth.
*Practical Action.
I appreciate any comments/suggestions/encouragement/assistance from the wiki community.
EstellaGr8 (talk) 02:16, 26 March 2011 (UTC)
thread_title:  Proposed WikiProject Edits 

message: I recently undid an edit that changed "industrialized" to "industrialised." My logic for this is that the article appears to use American English throughout. Other examples, such as "utilizing" and "practice" are spelled in the American way and not the British way ("utilising" and "practise"). As far as I can tell the Wikipedia Manual of Style does not have a preference for either usage, but it does indicate a preference for internal consistency. Thoughts? EstellaGr8 (talk) 11:40, 25 March 2011 (UTC)
replies: text: I support the internal article consistency.  And it appears that the article is/was already utilizing the American variation of English.  N2e (talk) 04:56, 26 March 2011 (UTC)
thread_title:  American vs. British English 

message: In its current form, the "appropriate technology practitioners" section contains an un-cited list of supposed appropriate technology practitioners. Though the links provided for some of the names clearly indicate the person had either developed technology widely considered as an example of appropriate technology or has promoted appropriate technological choice, several of the names have no supporting materials in the link provided. Furthermore, I believe the supporting materials should be clearly indicated in this article either through mentions of their appropriate technology work or through in-line citation to reputable materials naming them as appropriate technology practitioners. EstellaGr8 (talk) 13:35, 24 April 2011 (UTC)
replies: text: Please see WP:BOLD (Go for it!) ---- Steve Quinn (talk) 04:24, 25 April 2011 (UTC)
thread_title:  The "appropriate technology practitioners" section should be expanded and cited or removed 

message: As mentioned here I planned to make several changes to this article. I have since rewritten the lede, created a history and terminology section, expanded and renamed the section on appropriate technology in developing countries, and moved the extensive examples to a new section called "Applications." I welcome any comments. EstellaGr8 (talk) 21:21, 24 April 2011 (UTC)
replies: text: Please see WP:BOLD (Go for it!) ---- Steve Quinn (talk) 04:23, 25 April 2011 (UTC)
thread_title:  Substantive changes 

message: It its current form this section is redundant to existing information in the article and does not address the topic the section lable indicates it will. I recommend it be entirely rewritten to include information on the energy crisis of the 1970s, appropriate technology groups in countries such as the US, UK and Japan, and the current use of appropriate technology in these countries. EstellaGr8 (talk) 21:23, 24 April 2011 (UTC)
replies: text: Please see WP:BOLD (Go for it!) ---- Steve Quinn (talk) 04:25, 25 April 2011 (UTC)
thread_title:  "Appropriate technology in developed countries" section 

message: The information in the sub-sections under "applications" seems like an information dump. There is little structure or substantive information. I recommend a extensive edit of this information. EstellaGr8 (talk) 21:41, 24 April 2011 (UTC)
replies: text: Please see WP:BOLD (Go for it!) Thank you for your contributions. ---- Steve Quinn (talk) 04:27, 25 April 2011 (UTC)
thread_title:  Applications section 

message: You guys did a great job here and hope some of you are still watching the page. Since many people get appropriate technology and alternate technology confused, and the alternative technology article is very poor and doesn't define the differences, it's an article some of you might want to beef up.  I'll try to at least fix the definition aspect. Thanks. CarolMooreDC 18:48, 26 February 2013 (UTC)
thread_title: Cleaning up [[Alternative technology]]

message: It's never good to use the word "recent" in Wikipedia articles... Can someone replace the "recents" with a year indication? In particular in this sentence: In more recent years, the appropriate technology movement has continued to decline in prominence. - For that one, as it talks about the German GATE project which ended in early 2000 I think, if not earlier, we could perhaps say "Since the late 1990s..." ? Unless people disagree about this statement regarding the decline? Perhaps it only relates to AT in development cooperation? EvM-Susana (talk) 07:47, 3 June 2015 (UTC)
thread_title:  Exchange the words "recent" with an indication of a year 

message: Perhaps the National_Innovation_Foundation_-_India#Honey_Bee_Network Honey Bee Network can be mentioned somewhere on the page ?
109.130.161.237 (talk) 15:59, 8 August 2015 (UTC)
thread_title: Honey Bee Network

message: Needs its own page -- you can certainly have inappropriate intermediate technology -- this needs to be slit off.  — Preceding unsigned comment added by 24.106.36.109 (talk) 00:59, 24 August 2015 (UTC)
thread_title:  Intermediate technology 

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message: I'm not sure the use of "overpopulating certain areas" is true in the "Health care" subhead under "Applications". It's not clear whether that quote is properly sourced.  Perhaps a citation could be added? –HannahLH (talk) 03:57, 11 April 2021 (UTC)
thread_title:  Health care