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DIY Ferrofluid

Here's a quickie for the science hackers out there.  Featured in the above video is Ferrofluid, a substance that is composed of nano-scale particles that interact with magnetic fields.

These particles are so tiny that they can remain in a liquid state, allowing them to shapeshift in all kinds of interesting ways when a magnetic field is applied.  Luckily for us, it's relatively easy to make such a concoction, as witnessed by the video above.  If any of my chemistry friends are watching, you must call me and we must do this.

Now that you know how to make simple versions of this amazing stuff, check out all the cool things you can do with it. There's actually an entire field of art that involves manipulating this liquid in fascinating ways. By changing the strength and frequency of the magnetic field, you can make Ferrofluid take on all sorts of mysterious and alien shapes.

Pretty cool, huh?  I envision a whole new wave of trend-setting hairstyles...

via ScientificTuesdays

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