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 ... had no effect at all without the mixture. Stainless steel is an alloy of iron and some chromium – not ...