Karl's Projects

At any given time,
Karl's working on some of these projects
...or others too numerous to mention:

(many of these are now fairly well "complete", and others... well...)

Elder Talks about the Great Depression

Concentrating Solar Compost Cooker
& Stirling-Electric Generator

Solar Hot Tub & Greenhouse

Convincing the world of the
need for sustainability

Neighborhood Hitch-n-Pool

Solar Electric Sailplane

Boulder Food Rescue

Slow Sand Filtration

Electric Vehicles