Perception

Shine some light on brine shrimp behavior.

Meet Douglas Hollis, the artist behind Archimedes.

Our new Shadow Box is made of large phosphor screens which store light from a strobe flash, temporarily freezing the visitor's shadow.

Overlapping pools of red, blue, and green create a Venn diagram of additive color.

Where did all the colors go?

Your sense of touch can surprise you.

Sunlight–reflected and refracted–paints an ever-changing color composition.

Listen with your bones.

Explore images made from shadows.

A thin window of soap creates an ever-shifting array of colors.

Surround yourself in color—do you feel a shade different?

Your visual system uses edges to detect differences.

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