Optical Illusions

If you want to stay hidden, you'd better stay still.

What happens when you get off the merry-go-round?

A rotating black-and-white disk produces the illusion of color.

Learn how to fly with this neat mirror trick.

Make a stationary triangle appear on a spinning wheel.

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

A flash of light leaves a lingering image.

The perceived color of an object depends on its background.

Test how well your brain can see patterns.

Make a friend disappear, leaving only a smile behind.

Stare at one color—but see another.

Use your eyes to make a bird appear in an empty cage.

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