Mind-Bending Effect of Ferrofluid on a Superconductor
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Published 2021-04-25
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All Comments (20)
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I Like how he starts showing us this super crazy stuff and the gets lost playing with it while the camera keeps going
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Just casually levitating big hunks of metal like a wizard.
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Back in the day, when Disk drives were only as big as 40MB, we used to use ferrofluid to paint on the disks looking for defects under a microscope. It was called developing the disk. It was a means for us to determine a possible cause for data errors from disc defects, or even head crashes. It was fun to play with but as you showed, it could be VERY messy! It wasn't quite as black and thick as your stuff but had more of a yellowish oily suspension fluid.
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What if you were using this Ferrofluid underwater? Could you still control it underwater? Could you use it to make a sort of hatch or door that separates an air-filled compartment from a water-filled compartment? Can it hold back air pressure or water pressure?
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You can tell he was having a ton of fun because he wasn't talking as much after he felt it.
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When you tested it with the monster magnet, you created a lifeless slime, very interesting still
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It's all fun and games until you start hearing venom's voice in your head
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4:28 that swirl was so COOL!
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The way it goes from thin liquid to nearly solid gave me a really cool sci-fi tech idea... imagine a curtain of ferrofluid pouring down as a sheet in a doorway, getting recycled from a drain at the bottom, and the door frame has magnets arranged to solidify it when they're on. When it's off, the magnets turn off and the liquid stops pouring. So that lets it pour in a nice sheet but then solidify on the way down, giving you basically a liquid door that's still solid to try and walk through.
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Next week on action lab: "Okay guys, this is the world's darkest ferrofluid, let's see what happens when I paint my house with it."
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I would have liked you to describe the texture and feel more. Is it bumpy or smooth feeling on the surface? Is there a pressure or weight on your hands when they are submerged (aside from the actual weight)? If you make a wave from one side can you feel it with a submerged hand? Do you feel a flow or movement under the surface when your hands are still?
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This was amazing to watch, I love how you were so baffled by this! How much ferrofluid would it take to see the spikes formed by the magnetic field of the earth? How many swimming pools of the stuff? Any intuition from playing around with it?
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Step1:swollow a magnet Step2:cover yourself with this stuff Step3:WE ARE VENOM
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Yet another random cool thing I am learning that will 99.9999% not be applied to anything I do in my personal life.
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Incredible experiment. Thank you.
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Everyone should feel magnetic fields like this. This should be something in science museums everywhere IMO.
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The violon combined with the gravity defying black moving liquid at 4:20 makes it look like you're creating some kind of eldrich creature
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Does pouring or agitation of the fluid cause any spurious radio waves. Like you could use an old portable AM radio to cycle through the band to detect small disturbance in that band.
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This is amazing! Thank you! 🙏
