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Sharing knowledge to build rich, sustainable lives.

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

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Luggage carrier for transport bicycle
Luggage carrier for transport bicycle. Bicycles are used for transporting bulky and heavy loads. It is trickey to do this in a way that it is still possibe to pedal the bicycle. In practice sometimes special racks are permanently attached to the bicycle. Such racks may hinder the more normal use of this bicycle. Moreover normal bicycles are not build to take heavy loads over rough roads. Special bicycles for heavy loads are not generally available. An alternative could be a load carrier characterized with the following: the load does not rest on the frame of the bicycle, but is transferred directly to the wheelaxles; it is easy to mount and remove the load rack; such a load rack can be made by the user and adapted to the load to be transported. The load rack should not be in the way to push the loaded bicycle or to ride it.

To make sure that the load put on the bicycle is mainly transferred to the wheel axle, straps are attached where the wheel axles are bolted to the bicycle frame. These straps are made by winding some thin wire around frame and axle and twisting it into a loop. In each strap fits the tapered end of a straight stick roughly one and half a meter long.

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Parabolic basket and tin can solar cooker

Creating a solar cooker out of local invasive species and waste materials in order to pasteurize water and be an alternative to the use of fossil fuels for cooking food.

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Community action news

May 24 Trees, woodland and forest: NASA scientist is using drones to plant 1 billion trees per year [1]

May 24 From the favelas: the rise of rooftop solar projects in Brazil [2]

May 22 Time banking in New South Wales [3]

May 16 Portugal ran on renewable energy alone for four days [4]

Avenue of trees in St George's Park - geograph.org.uk.jpg
May 15 Trees, woodland and forest UK: Scientists use people power to find disease-resistant ash trees [5]

Read More...


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People, their buildings and the ways they organise themselves are central to permaculture. Thus the permaculture vision of permanent (sustainable) agriculture has evolved into one of permanent (sustainable) culture.

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Hot topics / In the news

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The Vitruvian Man is a world-renowned drawing created by Leonardo da Vinci circa 1487.
Those who have health have hope, and those who have hope have everything.
Arabian Proverb

An individuals health greatly influences their ability to support themselves, provide for their family, and contribute to the community. Because of this, access to care and the health of a community is central to any development effort.

Unfortunately, health care is poorly distributed around the world. Southern hemisphere countries are much more likely to suffer from lack of access to care. One aspect of this disparity is the health technology gap between developed and developing nations. While developed countries continue to invest in high technology equipment, developing countries often lack the most basic health care tools. Appropriate Medical Technologies (AMT's) can help communities, governments and development agencies create simple, low-cost, and culturally appropriate responses to health care problems.

The use of appropriate technologies is less common in healthcare than other fields such as construction or agriculture. However, there is significant crossover between the public health field and the water and sanitation fields, areas that are more familiar with appropriate technologies. Appropriate technology is often used to develop mobility and rehabilitation equipment as well as tests used to diagnose diseases.

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ENGR 215 Introduction to Design projects – Fall 2005: RCEA: The Fall 2005 semester of Engineering 215 worked with RCEA to develop educational displays for the general public.

Fall 2005 ENGR 215 Intro to Design Projects - RCEA
A Bright Idea
To create an interactive, educational display that demonstrates the importance of electrical energy conservation  
Biggest Little Thing
To design an interactive display promoting electrical energy conservation  
Thermal Curtain
To educate people about thermal energy conservation  
Know Your Load
To educate people about phantom loads on electrical devices  
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