The Exploratorium is temporarily closed. Explore our online resources for learning at home.
The Doppler effect causes the “neeeeeoowwm” sound of cars.
Send waves down a spring to watch them travel and interact.
Why do we see colors in soap bubbles?
Create geometric art with soap films.
Explore resonance to discover how objects vibrate at certain frequencies.
Demonstrate how different objects vibrate at different frequencies.
With polarized light, you can make a stained glass window without glass.
Imperfect alignment can lead to interesting patterns.
Demonstrate diffraction using a candle and two pencils.
Discover why your favorite cat videos don't leak out of optical fibers.
Create giant bubbles!
Air trapped between two pieces of clear plastic produces rainbow-colored interference patterns.
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