> A lot of what he does is pure entertainment and has very little practicality. It's all about the cool ideas and the engineering. No sane person would spend th

> A lot of what he does is pure entertainment and has very little practicality. It's all about the cool ideas and the engineering. No sane person would spend the time and effort to build a band saw out of wood when you can buy a good metal one for a few hundred dollars. Did you see that article the other day about someone cutting their Gameboy in half so they could make it fold in half? That is so impractical. Why didn't they just buy one like that? You may not learn by watching people work and listening to their reasoning, but others do.