I watched the youtube video of the author making the wooden gear and I was amazed at his level of craftsmanship, and how effortless it looked for him to make th

I watched the youtube video of the author making the wooden gear and I was amazed at his level of craftsmanship, and how effortless it looked for him to make the gear. It's magical to watch. I suppose for a non-programmer it may appear that hackers do the same sort of magic, except with a computer.