The handheld metal etching laser engraver requires no sprays and no adhesive labels and can perform as a barcode laser etcher or just as a serial number engraver, where the laser etched mark will not ...

The problem? The laser won’t cut into the hard metal of the scissors. His solution? Smear the scissors with mustard. No kidding. We’ve heard of this before, and apparently, you can use vinegar ...

[Frankie] and [Bryan] have figured out a way to use the laser to chemically activate an ... washes off but the chromium sulfate causes the etch. Next time you’re at your local space, give ...

High-power lasers cut, drill, solder, etch and weld most of today ... semiconductor cladding layers, with metal electrodes on the top and bottom. Laser light photons are created by the ...