ferrofluid
![The ferrofluid activity components including the signs, guides, tubes of ferrofluid, and magnets.](https://www.nisenet.org/sites/default/files/styles/curated_list_large_cropped/public/images/catalog/ferrofluid.jpg?h=b7e224f1&itok=b54gJpf1)
Exploring Materials - Ferrofluid
In this activity, learners investigate the properties of ferrofluid and magnetic black sand, learning that the surprising difference in the behavior of these two materials is due to size.
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Scientific Image - Ferrofluid Nanoparticles
Magnified image of ferrofluid nanoparticles using a Transmission Electron Microscope.
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![](https://www.nisenet.org/sites/default/files/styles/curated_list_large/public/images/catalog/Ferrofluid-60kx-4.jpg?itok=LmyHhams)
Scientific Image - Ferrofluid Nanoparticles
Magnified image of ferrofluid nanoparticles using a Transmission Electron Microscope.
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![Blue logo for online workshop recordings](https://www.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 2014 - Part 1
Online professional development workshop recording (2014).
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![Parents and two children wearing safety goggles looking at a piece of metal after it has been electroplated](https://www.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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![Person inside of a giant carbon nanotube model made of balloons](https://www.nisenet.org/sites/default/files/styles/curated_list_large_cropped/public/2020-08/NanoDays%20Scienceter%202013%20carbonnanotubeIMG_5571-M%20square%20crop.jpg?h=6c83441f&itok=LYLbPIJ9)
NanoDays 2009 Digital Kit
Digital download of all public engagement and professional development files in the NanoDays 2013 kit designed to engage the public in nanoscale science, engineering, and technology and their impact on society.impact on society.
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