[sudoroom] Ferro Fluids Sudo Project group

Tue Jul 17 10:12:32 CEST 2012

I could do Wednesday or Friday - prefer Wednesday. I can bring my small
sample of cemmercial ferrofluid for comparison with the DIY versions.

Does anyone have access to oleic acid to use as a surfactant? That should
keep the ferrite particles from clumping together, and make for a much
smoother ferrofluid. Supposed to be around 5% magnetite (3-15% by volume),
10% surfactant (6-30%), and 85% oil (55-91%).

Someone on Instructables mentioned you can also get ferrite at a pottery
supply store for $2-$5 a pound. Know anyone into pottery? Anyone want to
check out Leslie Ceramic Supply, 1212 San Pablo in Berkeley, just North of
Gilman?

In terms of art pieces, I think it would be really cool to do an animated
sculpture covered in ferrofluid, with electromagnets hidden inside so you
can change the texture of the ferrofluid. The simplest version could just
be a face molded out of aluminum foil, with small magnets embedded to get
the ferrofluid to cover the surface. Then put some electromagnets behind
the face, so you can change its expression by manipulating the ferrofluid.

Patrik

On Mon, Jul 16, 2012 at 10:11 PM, Tracy Jacobs <kinetical at comcast.net>wrote:

> Hi All,
>
> Thanks for expressing interest in doing a Ferrofluid experiment together.
>  I'd love to make our project the centerpiece of our Art Murmur show.  Art
> Murmur is in two weeks.  I asked Jake to share his experiment during Art
> Murmur.  He made his in like a day, and it turned out really well.  He
> mixed MICR with cooking oil and put it between two slides with a magnetized
> paper clip.  That was projected on a wall for a really interesting
> painterly effect.  Very small scale and inexpensive, too.
>
> So, we need Ferrofluid.   I know Patrick ordered some iron oxide, and he
> has sent us some good links.  There are different methods we can try for
> making the fluid ourselves, because it can be expensive to buy.  I want to
> try a couple different recipes.  Patrick can you get back to me with your
> reccomendations for what we should try and what we still need to buy for
> that?
>
> I am interested in magnetizing a couple of iron sculptures that I made a
> long time ago.  From what I understand this involves wrapping them in
> coated copper wire and charging them.  If you find any interesting steel or
> iron objects, these would be good to play with.
>
> We also need magnets.  Powerful magnets can be taken from old hard drives,
> so if you have any old hard drives bring them.  I will bring tools. Or if
> you have any magnets, bring those.
>
> We should meet up soon.  Could you let me know your availability?   I have
> Weds night, Fri night, or the weekend anytime.
>
> Tracy
>
> www.funkyautomata.com
>
>
> On Jul 16, 2012, at 12:36 PM, Jehan Tremback wrote:
>
> Wow, imagine making a batch with a 44 lb bag, using a gigantic
> electromagnet, and creating the hugest ferrofluid sculpture known to man.
> Might be messy if the power cut out though.
>
> -Jehan
>
> On Mon, Jul 16, 2012 at 9:12 AM, Anca | Tech Liminal <anca at techliminal.com
> > wrote:
>
>> The rust lady said she got all her supplies at Michael's - but that they
>> weren't well-labeled.  Look in the patina isle (yes, there is a patina
>> isle!)
>>
>> Anca.
>>
>>  -=-=-=-=-
>> *Anca Mosoiu  | Tech Liminal*
>> anca at techliminal.com
>> M: (510) 220-6660
>> W: http://techliminal.com  | T: @techliminal | F:
>> facebook.com/techliminal
>>
>> On Jul 12, 2012, at 6:14 PM, Patrik D'haeseleer wrote:
>>
>> I got some ferrofluid from Inventables a while back - wasn't too
>> expensive: $13.60 for a fluid ounce. Haven't tried mixing it with any water
>> colors yet though.
>>
>> https://www.inventables.com/technologies/magnetic-fluid
>>
>> I also noticed that the person teaching the "Create Real Rust" class at
>> Workshop Weekend had a jar of atomized iron powder that I was thinking
>> would probably work fairly well to make ferrofluid. May be worth checking
>> some art stores with a magnet - or just ask that teacher where she got hers.
>>
>> I think the Exploratorium or another similar booth had a nice ferrofluid
>> demo at Maker Faire one or two years ago. Just a big glob of ferrofluid in
>> a glass jar, and some powerful magnets that people could move by turning a
>> wheel.
>>
>> Patrik
>>
>> PS: Doesn't quite classify as a ferro"fluid", but check out the video
>> about this guy's work:
>>
>> http://jolanvanderwiel.nl/?p=272
>>
>>
>>
>> On Thu, Jul 12, 2012 at 5:32 PM, Tracy Jacobs <kinetical at comcast.net>wrote:
>>
>>>
>>> http://www.thecreatorsproject.com/blog/ferrofluids-go-next-level-technicolor-in-fabian-oefners-amazing-images
>>>
>>> Begin forwarded message:
>>>
>>> *From: *Tracy Jacobs <kinetical at comcast.net>
>>> *Date: *July 12, 2012 5:29:10 PM PDT
>>> *To: *SUDOroom list <sudoroom at lists.hackerspaces.org>
>>> *Subject: **[sudoroom] Ferro Fluids?*
>>>
>>> Hi,
>>>
>>> I was wondering if anyone would be interested in doing some
>>> experimentation with Ferro fluids as a group project?  If we get nice
>>> results we could put them in the box office next Art Murmur.  I've been
>>> wanting to try that for a long time, and there are some methods that are
>>> free or under ten dollars cheap.
>>>
>>> http://www.instructables.com/id/Make-your-own-ferrofluid-in-5-minutes/
>>>
>>> A nicer example:
>>>
>>>
>>> https://www.facebook.com/home.php?ref=home#!/photo.php?fbid=503571739658618&set=a.133255743356888.23929.115384328477363&type=1&theater
>>>
>>> Tracy
>>> _______________________________________________
>>> sudoroom mailing list
>>> sudoroom at lists.hackerspaces.org
>>> http://lists.hackerspaces.org/mailman/listinfo/sudoroom
>>>
>>>
>>>
>>> _______________________________________________
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>>>
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