I am intrigued and consider me participating. My whole childhood was spent wanting to be an inventor and taking things apart to make something else.

Human powered table saw would be neat, but would the operator and the person powering the saw be the same? This might make it difficult to keep the razor steady...

I don't really have an issue to be solved at the moment. Currently have a plan for casting scales that I am going to try to start tonight... Will start separate thread for that....