DIY Invisible Ink – Man Vs Science

DIY Invisible Ink – Man Vs Science

Cool! *screaming in pain* What’s up everybody! Welcome back to my laboratory. Where safety is the number *mumbling numbers* THIRD PRIORITY! It is the third priority around here. You’re watching Man vs. Science! The show that periodically comes on this channel uh whenever I am just perplexed by something that I see on the internet

Invisible Ink Printer

Invisible Ink Printer

Greetings, fellow agent. Sending covert communications is of utmost importance to any secret agent. I’m going to show you how to retrofit your inkjet printer to output secret messages that can only only be revealed by people who have the secret formula, but feel free to share this information with other trusted maker agents. Here’s