TeachEngineering
Teach Engineering: An Implementation of Steganography
Students apply the design process to the problem of hiding a message in a digital image using steganographic methods, a PictureEdit Java class, and API (provided as an attachment). They identify the problems and limitations associated...
National Council of Teachers of Mathematics
Nctm: Figure This: Can You Turn a Frown Into a Smile?
This math challenge activity focuses on the concept of morphing. Test your problem-solving aptitude as you try to morph a frown into a smile.
Exploratorium
Exploratorium: Science Snacks: Looking a Little Spotty
By using digitally manipulated images, test your brain to see how much information is needed for your brain to produce an image.
National Geographic Kids
National Geographic Kids: Tricky Pics
Test your awareness of truth and illusion in visual images by viewing these six tricky photos. This resource demonstrates that you can't always believe what you see. To help you learn how to discriminate between real and fake, the...