[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.

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 ...

For more information about CMS Laser’s stainless steel wire marking or LPC’s lines of cleaning, cutting, welding, marking, or engraving laser systems, visit https://www.laserphotonics.com.

Using lasers to etch and alter the surface of the metal ... and build up to create a biofilm that is difficult to remove, even on stainless steel surfaces used in industrial facilities.