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Use your cell phone to explore the mini-scopic world.
Discover why your favorite cat videos don't leak out of optical fibers.
Different kinds of light can be used to study life.
Gelatin can do much more than just wiggle and jiggle.
Test your vision—just by moving your head.
Light plus light equals dark.
Use your voice to transform laser light into dazzling patterns.
This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.
Attribution: Exploratorium Teacher Institute
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