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Experience a spinning spiral...you won't be hypnotized, but you'll see what happens when you look away. It's like getting off a merry-go-round and everything keeps moving.

If you had a long tube with a 5 millimeter wide slit, would you see the entire Golden Gate Bridge?

Which one of your eyes are dominant? Do they act independently or are they equally "in control?" This activity explores how your eyes work (or don't work) together.

In this easy demonstration (3rd on the page), learners explore depth perception by conducting a test with two pencils.

In this quick activity/demonstration (5th on the page), learners explore depth perception.