microscope
![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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![NanoLab exhibit magnets being arranged into the work Nanolab](https://nisenet.org/sites/default/files/styles/curated_list_large/public/catalog/exhibit-components/one%20tweezers%20nanolab%20006.jpg?itok=3bll5ODV)
NanoLab exhibit
An exhibit that was part of the Nanotechnology: What's the Big Deal? exhibition that explores how nanoscientists use special devices and laboratories to build and manipulate materials on the nanoscale
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![](https://nisenet.org/sites/default/files/styles/curated_list_large/public/images/catalog/SEM_sugar.jpg?itok=fpcDIi53)
Scientific Image - White Sugar Crystals
Magnified image of white sugar crystals using a Scanning Electron Microscope.
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![](https://nisenet.org/sites/default/files/styles/curated_list_large/public/images/catalog/SEM_graphite.jpg?itok=slR1jJZf)
Scientific Image - Graphite Flakes
Magnified image of graphite flakes using a Scanning Electron Microscope.
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![](https://nisenet.org/sites/default/files/styles/curated_list_large/public/images/catalog/SEM_epsom_salt.jpg?itok=QpC6tsUg)
Scientific Image - Epsom Salt
Magnified image of epsom salt crystals using a Scanning Electron Microscope.
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![](https://nisenet.org/sites/default/files/styles/curated_list_large/public/images/catalog/SEM_butterfly_wing.jpg?itok=HTACRn2S)
Scientific Image - Overlapping Scales of Blue Morpho Butterfly Wing
Magnified image of a blue morpho butterfly wing using a Scanning Electron Microscope.
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![](https://nisenet.org/sites/default/files/styles/curated_list_large/public/images/catalog/SEM_baby_powder.jpg?itok=7ngobuJU)
Scientific Image - Baby Powder Particles
Magnified image of baby powder particle using a Scanning Electron Microscope.
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![](https://nisenet.org/sites/default/files/styles/curated_list_large/public/images/catalog/SEM_PE%2035.jpg?itok=rB6gR3ov)
Scientific Image - SEM Image of Polyethylene Plastic
Magnified image of polyethylene using a Scanning Electron Microscope.
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![](https://nisenet.org/sites/default/files/styles/curated_list_large/public/images/catalog/Light%20microscope_PE_edit.jpg?itok=jSbBXqLX)
Scientific Image - Light Microscope Image of Polyethylene Plastic
Magnified image of polyethylene using a Light Microscope.
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![](https://nisenet.org/sites/default/files/styles/curated_list_large/public/images/catalog/AFM_HDPE1-600x348.jpg?itok=8e5s0zYF)
Scientific Image - AFM Image of Polyethylene Plastic (false color)
Magnified image of polyethylene using an Atomic Force Microscope.
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