Latest from Robert Hermes

dscf1985

We all know sunglasses make any spy look cool, but these will let you see secret messages! This secret message project uses polarized film (technically a linear absorptive polarizer) to make our message hidden. To see the message you either have to look through a second piece of film, or... Read more »

Zombie Detector 132

Use a slave flash to briefly illuminate a hidden message. Read more »