28 Kommentare zu “nano iron particles / ferrofluid vs. supermagnet (neodymium)”

1. glaxko2 schreibt:
   
   25.01.2012 um 01:22

   @Orcinus24x5 You can use an electromagnet thats stronger to get the Ferrofluid, the beauty of that is that you can just turn off the electromagnet when your done.

   
   
2. bionerd23 schreibt:
   
   25.01.2012 um 01:31

   @killer2611
   piercing rings are usually made from titanium, which is not magnetic. you can even put that into an MRI without being ripped to pieces.
   e.g. there are special ekg electrodes used in MRIs – they’re also made from / with titanium.

   
   
3. bionerd23 schreibt:
   
   25.01.2012 um 02:29

   @Orcinus24x5
   just use a much stronger magnet wrapped up in foil… that should steal it from the speaker (and makes it easy to remove).

   
   
4. bionerd23 schreibt:
   
   25.01.2012 um 02:33

   @glaxko2
   no, it’s not. sadly.

   
   
5. bionerd23 schreibt:
   
   25.01.2012 um 03:04

   @fegolem
   wow, that’d make one hell of a mess. i’d not try that at home, lol.

   
   
6. bionerd23 schreibt:
   
   25.01.2012 um 03:13

   @Ralphgtx280
   in the inner bit, near the voice coil.

   
   
7. kirosun schreibt:
   
   25.01.2012 um 04:13

   can you do an experiment with this magnet and your mercury?

   
   
8. 1ownjoo2 schreibt:
   
   25.01.2012 um 04:57

   Very pretty

   
   
9. finkako86 schreibt:
   
   25.01.2012 um 05:22

   Search for “ferrofluid sculpture” on YouTube if you want to see more awesome ferrofluid action.

   
   
10. soifong12100 schreibt:
    
    25.01.2012 um 06:20

    Wery nice.

    
    
11. dren564 schreibt:
    
    25.01.2012 um 07:10

    Kind of reminds me of a jellyfish moving through the water.

    
    
12. imsofly114 schreibt:
    
    25.01.2012 um 07:32

    Great job man keep it up, your videos are just so cool!!!

    
    
13. bluebeam09 schreibt:
    
    25.01.2012 um 07:40

    You will find small amounts of ferrofluid in old hard disc drives. It is used in the bearings of the motor spinning the discs there. After removing the shaft you can easily harvest it with a strong magnet wrapped in plastic foil. (This helps to remove the fluid from the magnet afterwards)

    
    
14. KillerMeerschwein schreibt:
    
    25.01.2012 um 08:09

    cooooool, wo bekommt man ferrofluid?? oder ist es moglich es selbst herzustellem?

    
    
15. fegolem schreibt:
    
    25.01.2012 um 08:10

    @fegolem … in air or vacuum … ?

    
    
16. unseenrecordings schreibt:
    
    25.01.2012 um 08:43

    curiosity killed the cat

    
    
17. iammrpope schreibt:
    
    25.01.2012 um 09:03

    @fegolem that would be something to see, i have a friend with some good video equipment, and i happen to have a 3awg x 600 wind magnet that would be perfect for a few seconds of video.

    
    
18. iammrpope schreibt:
    
    25.01.2012 um 09:49

    Once again, as soon as i make it across that big-ass ocean i am buying you some dinner and your going to reject my romantic advances to my face. Its a day i look forward to. getting turned down by someone like you would be a high-point in my life.

    
    
19. iammrpope schreibt:
    
    25.01.2012 um 10:43

    once again though, as soon as i make it across that big-ass ocean i’m buying you some dinner and your going to reject my romantic advances to my face. Its a day i look forward to. getting turned down by someone like you would be a high-point in my life.

    
    
20. iammrpope schreibt:
    
    25.01.2012 um 11:24

    i have seen a lot of this before, what is the liquid these particles are suspended in, you mention it “drys out” could these micro-particles not be suspended in a high viscosity oil to combat this problem, or in a water based media that could be “maintained’ with some sort of hydration system, like a sponge soaked in water, or if it was used is a constant circulation system low quantity water mix, like the drip function of an IV bag?

    
    
21. iammrpope schreibt:
    
    25.01.2012 um 11:51

    seen alot of this before, what is the liquid these particles are suspended in, you mention it “drys out” could these microparticles not be suspended in a high viscosity oil to combat this problem, or in a water based media that could be “maintained’ with some sort of hydration system, like a sponge soaked in water, or if it was used is a constant circulation system low quantity water mix, like the drip function of an IV bag?

    
    
22. killer2611 schreibt:
    
    25.01.2012 um 12:10

    @bionerd23 lol i can imagine some blonde going near a 30kg magnet wearing a tongue ring xD

    
    
23. Ralphgtx280 schreibt:
    
    25.01.2012 um 12:52

    you mentioned the ferrofluid is used in loud speakers in what part ?

    
    
24. Tl82T schreibt:
    
    25.01.2012 um 13:38

    maybe you can put subtitle

    
    
25. JoakimNilsson1 schreibt:
    
    25.01.2012 um 14:19

    What is the make of the stand?

    
    
26. ZeRoHeRo6000 schreibt:
    
    25.01.2012 um 15:13

    Hallo
    was für Fische kann man in die 30L version von dennerle einsetzten ?

    
    
27. Bastii311 schreibt:
    
    25.01.2012 um 15:23

    sehr gutes Video und noch dazu sehr informativ!!! Danke!!

    
    
28. Tariblingbling schreibt:
    
    25.01.2012 um 16:22

    Hi!

    Schönes Video über das Nano Aquarium! Hast Du eines schon in Betrieb? Auf welcher Messe warst Du da?
    Grüsse

    
    

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