Could they eventually power a GPS position indicator for walkers and climbers, which could be detected by mountain rescue teams?
180 over 70's giving up their driving licences
Alphabetical Fauna (mammals, birds, reptiles, fish, insects etc.)
Gransnet forums
Science/nature/environment
Join the conversation
Registering is free, easy, and means you can join the discussion, watch threads and lots more.
Register now »Already registered? Log in with:
Gransnet »