Brick by Brick

Thu, 22 Oct 2009 04:45:39 +0000

Video: Participatory Technology in Brick Making. Video explores an ITDG project in Peru.
ITDG for BASIN (Building Advisory Service & Information Network), 12 minutes

Low-cost sanitation technology - Zimbabwe

Tue, 20 Oct 2009 09:16:53 +0000

Video: Ecosan toilets built in Zimbabwe. Duration: 8:30

Gypsum Processing and Use

Thu, 01 Oct 2009 18:10:37 +0000

Gypsum is used as a building material, making writing chalk, as a soil conditioner and to make moulds for pottery.
Otto Ruskulis for Appropriate Technology Magazine, June 1997 and updated for Practical Action, March 2008, 7 pages

Mineral Processing: Milling

Thu, 01 Oct 2009 18:03:13 +0000

This brief presents the factors to consider when choosing a grinding application and gives an overview of the equipment available.
Otto Ruskulis for Practical Action, 1998, 18 pages. Last updated by Otto in June 2009

Soap Making

Wed, 30 Sep 2009 15:49:12 +0000

This Technical Brief describes the procedures needed to make a variety of simple soaps and includes a number of recipes for different types of soap.
Tony Swetman for Practical Action, 2008, 7 pages

Appropriate Paper-Based Technology

Wed, 30 Sep 2009 15:44:29 +0000

There are many ways of making things out of waste paper and card, but they are not usually referred to as ‘technology’.
Last updated by Bevill Packer in 1995.

Grid Connection

Wed, 30 Sep 2009 15:40:05 +0000

The potentail for grid connection and its alternatives for providing electricity in rural areas are look at in this technical brief.
Alison Doig for Practical Action, Nov 2007, 8 pages

Energy for rural communities

Wed, 30 Sep 2009 15:33:54 +0000

Nearly a third of the world’s population do not have access to grid electricity. Households can use renewable energy systems to provide electricity.
Neil Noble for Practical Action, September 2005, 7 pages

Batteries

Wed, 30 Sep 2009 15:17:28 +0000

There are a wide range of batteries available; this Technical Brief gives an introduction to the pros and cons of the different types of batteries.
Appropriate Technology Magazine, September 1994, 7 pages

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