[sudoroom] Fwd: Ferro Fluids Sudo Project group

Tracy Jacobs kinetical at comcast.net
Wed Jul 18 03:09:13 CEST 2012



Begin forwarded message:

> From: Tracy Jacobs <kinetical at comcast.net>
> Date: July 17, 2012 6:07:40 PM PDT
> To: "Patrik D'haeseleer" <patrikd at gmail.com>
> Subject: Re: Ferro Fluids Sudo Project group
>
> Worth a try!  I've been seeing stuff on youtube where they say  they  
> are changing the magnetic field on what looks like a solid hunk of  
> metal to make changes in the fluid, but apart from moving magnets  
> around under it or on it, how would that be accomplished?  And for  
> the dish under the sculpture to catch the fluid, do we want  
> something conductive or non-conductive?  I am a little confused  
> about this, and glad you are willing to help!  Let me know what  
> other things we might need that I might have around here, ok?  If  
> you think of anything.  I don't think I have a big plastic skull.   
> It's hard to believe that plastic and foil would work, actually, I'm  
> curious to see though.  Is anyone else planning to attend this or is  
> it just me and you Patrik?
> Did you get your oxide shipment yet?
> Tracy
> On Jul 17, 2012, at 1:38 PM, Patrik D'haeseleer wrote:
>
>> I was thinking that some non-magnetic material would make it easier  
>> to manipulate the overall magnetic field using some low-powered  
>> electromagnets. Hence Alu foil instead of cast iron.
>>
>> Actually, we could just start from a cheap plastic skull ($17.27 on  
>> Amazon, or dig through your Halloween closet), and implant some  
>> magnets to get the ferrofluid to stick.
>>
>> Patrik
>>
>>
>> On Tue, Jul 17, 2012 at 9:24 AM, Tracy Jacobs  
>> <kinetical at comcast.net> wrote:
>> 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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>>
>

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