Learn with us online while the Exploratorium is temporarily closed. You can help us reopen—donate today.

Snacks tagged with "eye"

Science activity to construct a cube that can be perceived in two ways
Ambiguous Cube

A cube made from drinking straws can confuse your brain.

Science activity demonstrating color afterimage phenomenon
Bird in a Cage

Stare at one color—but see another.

Science activity demonstrating the blind spot phenomenon
Blind Spot

To see or not to see.

Science activity that demonstrates the dominant eye phenomena
Circles or Ovals?

Your brain combines information from your eyes in surprising ways.

Science activity demonstrating a visual illusion
Fading Dot

Now you see it; now you don’t—an object without a sharp edge can fade from your view.

Science activity to observe shapes floating inside your own eye
Floaters

See shadowy shapes floating inside your own eye.

Science activity that demonstrates lateral inhibition in perception of boundaries
Gray Step

Without a boundary, it’s hard to distinguish different shades of gray.

Science activity that demonstrates an optical illusion
Hole in Your Hand

What happened to your whole hand?

Science and art activity on visual perception
Jacques Cousteau in Seashells

There’s more to seeing than meets the eye.

Science activity to investigate patterns in laser light
Laser Speckle

Test your vision—just by moving your head.

Science activity that demonstrates lateral inhibition in visual perception
Lateral Inhibition

Which is in control, your eyes or your brain?

Science activity investigating visual perception
Looking a Little Spotty

Test how well your brain can see patterns.

Pages

Creative Commons License

This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.
Attribution: Exploratorium Teacher Institute