[Brain] wanted to mark some scissors with his Ortur laser engraver. The problem? The laser won’t cut into the hard metal of the scissors. His solution? Smear the scissors with mustard.

[Frankie] and [Bryan] have figured out a way to use the laser to chemically activate ... had no effect at all without the mixture. Stainless steel is an alloy of iron and some chromium – not ...

GPro 100W MOPA Laser with Manual Focus: Engineered for precise engraving on metals such as stainless steel, aluminum, and brass, this powerful fiber laser ensures high-quality, detailed marks.