My kids were at a lumberjack competition this weekend, and they were giving away slices that they cut from a pine log. My kids brought home two. I thought they would look pretty turned into rustic table tops with a clear coat of polyurethane. But I've never worked with raw wood before. I...

I would use whatever it is that I have access to use. A grinder would work, but you have to be very careful with it as the cut is very aggressive. However, since I gather that you really are not liiking for great accurace it would probably be the least time consuming. Just about any...