That, and the fact that my boss was out of town, made it the perfect opportunity to try and craft a hidden message for the Hackaday community to discover. I’m now happy to announce that ...

Did you know you can use it to read and write secret messages? No, you don't need to ... If you swipe on the share options, ...

(2.5 mL) water, and rubbing alcohol in the bowl or cup. Do your best to break up any clumps of turmeric. Write a secret message on the yellow paper! To do this, dip the paintbrush or cotton swab into ...