The laser won’t cut into the hard metal of the scissors ... You can buy a commercial marking solution called CerMark Black, but you probably already have mustard. If you are super cheap ...

[Frankie] and [Bryan] have figured out a way to use the laser to chemically activate an etching process ... at all without the mixture. Stainless steel is an alloy of iron and some chromium ...

Three laser experiments today: laser-induced electroless copper plating, laser-assisted electroplating on stainless steel, ...