Building and evaluating decentralized systems for making drinkable water.
Designs and techniques for simple and resilient tools.
Simple, portable structures for protection from sun or precipitation.
Establishing local, grassroots radio communications systems, leveraging both licensed and unlicensed techniques.
Generating and using electrical power off-grid.
Making and using simple musical instruments, both acoustic and electric.
Learning to use and make maps.
Recipes and techniques for cooking outdoors.