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![Looking at an opal through a scanning electron microscope](https://nisenet.org/sites/default/files/styles/curated_list_large_cropped/public/images/catalog/8369/opal_sem_small_size.jpg?h=e39eea65&itok=5jTuJe0x)
Colors at the Nanoscale: Butterflies, Beetles and Opals
In this activity, learners will be exposed to the term ‘Photonic Crystals,' explore some of the well-known photonic crystals in nature and will also be able observe one method that scientists use in trying to replicate this process.
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![learner with green gloves holds a string of blue slime](https://nisenet.org/sites/default/files/styles/curated_list_large/public/images/catalog/2973/slime_sq.jpg?itok=OmtGn67D)
NISE Network Program and Activity Templates
Professional development resources for educators from the Nanoscale Informal Science Education Network.
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![Activity Overview slides (with presenter notes)](https://nisenet.org/sites/default/files/styles/curated_list_large/public/images/catalog/junk.png?itok=sWqOtLKC)
Explore Science: Earth and Space Toolkit Activity Overview slides (with presenter notes)
Professional development orientation slides to prepare staff and volunteers to facilitate Explore Science: Earth and Space Toolkit activities.
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![Overview slideshow title slide](https://nisenet.org/sites/default/files/styles/curated_list_large/public/slide01.jpg?itok=rdfH6FWV)
NISE Network General Overview Power Point Presentation Slides
Presentation slides providing an overview of the NISE Network and projects.
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