[sudoroom] Ferro Fluids Sudo Project group

Tue Jul 17 18:24:16 CEST 2012

Patrick,

I love your idea !  Cast iron would be better than foil to be sure.   
Maybe greenman would be a fitting subject.

I'm ok with Wed or Fri, maybe Friday if I have to run around and get  
supplies too.

Tracy
On Jul 17, 2012, at 1:12 AM, Patrik D'haeseleer wrote:

> 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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