After reading the attempts to build disc-drive-motor-powered torches, I thought it would be fun to gather together a gallery of torches powered by means other than primary (non rechargeable) cells.
I want to set a few ground rules that will define what an Eco torch should be:
1. In English parlance, "torch" refers to a hand-held light source usually with a directionl beam. Therefore the lighting device in question musst be hand portable and contain its own mans of producing light.
2. The power must comee either from the environmnt or from the human using it.
3. Non electrical light sources may be used but not nazked flame.
4. No commercial torches (interesting as they are). A commercial torch suitably modified to eco power will be allowed. The torches need to be the work of truly committed torchaholics!