Use a table saw. Hook up a shopvac to the tablesaw. Make sure the table saw was blown clean and shopvac to. Hook up a dado blade in the tablesaw and start eating at a split log using a miter gage for support for safety. The shopvac collects all the dust when you are cutting. Don't use the wobble blade ones as they are not as smooth cutting. Only use dry wood and not green. Use a crosscut method and take little bites at it. When the chunk of wood starts getting short stop using it. Remember sfety first. Round logs are more dangerous so split some wood like you would for the fireplace first.