Ferrofluid Magic Liquid Is The Closest Thing To Magic You Can Get

This Is Possibly The Closest To Magic You Can Get
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Mix iron filings, laser toner liquid, cooking oil and iron filings together and what do you get?

Ferrofluid, otherwise known as the probably the closest thing to magic you can get.

Just watch the video, it's incredible - and it could have some scientific applications beyond looking cool. Probably. Whatever.