Many hobbyists and hackerspaces have the $500 Chinese 40W lasercutters which most of us know are about as successful at etching metals ... without the mixture. Stainless steel is an alloy of ...

If you’re [Itsgus], you use science to etch ... The process only takes a few seconds. When the etchant starts to sizzle and bubble, Bob’s your uncle. Even though the stainless steel ...