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 ...

An electrochemical process developed at Georgia Tech ... The team first developed an electrochemical method to etch the surface of stainless steel, creating nano-sized needle-like structures ...