Thank you. That's what I thought: any dark ink that just lays on top of (i.e., isn't absorbed by) the paper could probably be vaporized in similar fashion by a

Thank you. That's what I thought: any dark ink that just lays on top of (i.e., isn't absorbed by) the paper could probably be vaporized in similar fashion by a pulse laser. Anyway, when I wrote that, I had an inkling that someone in HN would know probably something about the subject matter, but I never expected anyone to have real-world experience using pulse lasers to vaporize ink from a piece of paper, let alone dollar bills! Awesome. This is why I love HN.