Mostly I enjoy figuring out how things work. I have a friend with declining health who has been repairing things since his youth in the 1950s. He always wanted

Mostly I enjoy figuring out how things work. I have a friend with declining health who has been repairing things since his youth in the 1950s. He always wanted an atomic clock, we ended up fixing several. There can be quite a bit of improvisation and hacking in the repair process.