Education Technology

NUMB3RS - Season 2 - "In Plain Sight" - Now You See It, Now You Don't

Published on 10/17/2008

Activity Overview

In the episode "In Plain Sight." Charlie gains access to a hidden message because he understands steganography. This activity demonstrates a simple example of how this works and gives students the chance to create and view hidden writing.

Before the Activity

Download the attached PDF and look over the Teacher Page.

During the Activity

Discuss the materials from the Student Page with your class.

After the Activity

Encourage students to explore web sites and questions from the Extensions page.