[Frankie] and [Bryan] have figured out a way to use the laser to chemically activate an etching process. See experiment part 2 as well. First, to be clear, they are using a quality 40W Epilog Zing ...

Thankfully, [John Sokol] has come up with a way to laser cut his own ... an unusual material for a brick, but functional nonetheless. The key here is that the engraving setting takes away just ...