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Main navigation
Visit
Plan Your Visit
After Dark Thursdays
Calendar
Tactile Dome
Museum Galleries
Getting Here
Visitor FAQs
School Field Trips
Event Rentals
Education
Education Resources
Professional Development
Free Educator Workshops
Tools for Teaching and Learning
Learning About Learning
Community Programs
Educator Newsletter
Explore
Everything
Activities
Exhibits
Websites
Articles
About Us
Learn About Us
Our Story
Partnerships
Global Collaborations
Arts at the Exploratorium
Awards and Recognition
Contact Us
Join + Support
Donate Today!
Membership
Join Our Donor Community
Engage Your Business
Attend a Fundraiser
Explore Our Reach
Volunteer
Store
Buy Tickets
Donate
Science Snacks: wavelength
Blue Sky
Discover why the sky is blue and the sunset is red.
Cat Whisker Interference
Capture colorful light interference patterns on paper.
On the Fringe (formerly Bridge Light)
Air trapped between two pieces of clear plastic produces rainbow-colored interference patterns.
Palm Pipes
Play songs by banging a PVC pipe against your palm.
Personal Pinhole Theater
Build a pinhole camera you can really get into.
Soap Film Interference Model
Model the behavior of light reflecting off soap film surfaces.
Soap Film on a Can
Why do we see colors in soap bubbles?
String Machine
Discover waves you never node about.
Two-Slit Experiment
Send waves down a spring to watch them travel and interact.
Two-Slit Wave Model
Use index cards to show how light plus light equals dark.