Ferrofluid
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Does anyone have any experience with Ferrofluids?
I’m very interested in making some and then creating a display of some sort for the fluid!
https://www.popsci.com/diy/article/2009-09/making-ferrofluids-work-you
https://www.kickstarter.com/projects/ferroflow/rize-spinning-ferrofluid-display
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I did get to play with some at Family day. The EUReKA! guy was there. It was in a glass bottle with a metal lid so you can stick the magnet to. My understanding is that it can be very messy to make.
