Find out how your eyes work and watch a real dissection of a cow's eye.

INTERACTIVE

Images of images of images can appear to repeat forever.

HANDS-ON

See pictures in thin air.

HANDS-ON

You can make a light painting with a light source, a darkened room, and a digital camera.

Now you can explain why the sky is blue and the sunset is red.

HANDS-ON

You can mix just three colors of light to make over 16 million different colors!

INTERACTIVE

When you overlap materials with repetitive lines, you create moiré patterns.

HANDS-ON

A clueless way to determine the size of an object.

HANDS-ON

Leonardo's famous painting is used in an interesting perceptual experiment.

INTERACTIVE

Test the limits of your peripheral vision.

HANDS-ON

Using two eyes gives you depth perception.

HANDS-ON

Your eye and brain hold on to a series of images to form a single complete picture.

HANDS-ON

With a lens, you can bend light to make pictures of the world.

HANDS-ON

Decorate your desktop with some of the most intriguing pattern and perception images from the Exploratorium.

Seeing is a cooperative effort involving your eyes and your brain.

HANDS-ON

Who needs expensive optical equipment?

HANDS-ON

Check out ColorFest, a two-month extravaganza celebrating color at the museum from July 1 to September 5.

One man's journey into blindness

What do you really know about what you see?

Here are some Exploratorium images for you to enjoy.

Artist Bob Miller's "Light Walk" at the Exploratorium will change the way you look at light, shadow, and images.