invisibility
![Blue logo for online workshop recordings](https://nisenet.org/sites/default/files/styles/curated_list_large/public/2020-12/online-workshop-recordings-logo.jpg?itok=9FGQyoMy)
Online Workshop Recording: Nano Brown-Bag: The International Year of Light 2015 - What's Nano about Light?
Online professional development workshop recording focused on the International Year of Light (2014).
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![Blue logo for online workshop recordings](https://nisenet.org/sites/default/files/styles/curated_list_large/public/2020-12/online-workshop-recordings-logo.jpg?itok=9FGQyoMy)
Online Workshop Recording: Nano Brown-Bag: The Science Behind NanoDays 2013 - Part 2
Online professional development workshop recording (2013).
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![Parents and two children wearing safety goggles looking at a piece of metal after it has been electroplated](https://nisenet.org/sites/default/files/styles/curated_list_large_cropped/public/2020-08/Exploring%20Fabrication%20-%20Electroplating%20NanoDays%202014%20activity.jpg?h=97662cac&itok=BBr6EZNM)
NanoDays 2014 Digital Kit
Digital download of all public engagement and professional development files in the NanoDays 2014 kit designed to engage the public in nanoscale science, engineering, and technology and their impact on society.impact on society.
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![A photoshopped image of people wearing invisibility cloaks hiding everything but their legs](https://nisenet.org/sites/default/files/styles/curated_list_large/public/images/catalog/11944/screen_shot_2013-08-29_at_12.49.41_pm.png?itok=LK6tkV9N)
Invisibility Cloak video
In this 4-min video the idea of invisibility cloaks is comedically explored.
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![Photo of learners holding and examining gummy capsule creation](https://nisenet.org/sites/default/files/styles/curated_list_large_cropped/public/images/catalog/8879/gummycapsules.jpg?h=8602a759&itok=91nZvA9d)
NanoDays 2013 Digital Kit
Digital download of all public engagement and professional development files in the NanoDays 2013 kit designed to engaging the public in nanoscale science, engineering, and technology and their impact on society.impact on society.
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![Girl looking at objects in a beaker filled with liquid that appear to be invisible](https://nisenet.org/sites/default/files/styles/curated_list_large_cropped/public/images/catalog/11070/invisibility_2.jpg?h=e4c0da04&itok=Nb5ewATQ)
Exploring Properties - Invisibility
In this activity, learners investigate how glass objects can be "hidden" in some liquids through refraction.
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![Hands holding glass objects on a string in a beaker of liquid](https://nisenet.org/sites/default/files/styles/curated_list_large_cropped/public/images/catalog/10907/invisibility.jpg?h=9e2aa9b8&itok=sR3DScO6)
Exploring Nano & Society - Invisibility Cloak
In this activity, learners explore how refraction can be used to make a glass stir rod "disappear" in a cup of baby oil, while having conversations about new technologies.
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