opal
![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.
Product
![](https://nisenet.org/sites/default/files/styles/curated_list_large/public/images/catalog/12574/photonic_crystal_nise.jpg?itok=PEIxBAYt)
Scientific Image - Photonic Crystal
Magnified image of a photonic crystal using a Scanning Electron Microscope.
Product