[Lab] Copper Sheets?

[Jean-Marc LeBlanc]

Nice work!
Congrats on the Candied LEDs as well btw.  I saw it in the news letter
but I didn't realise your made it

Jean-Marc Le Blanc
---

"Do you pine for the nice days of Minix-1.1, when men were men and
wrote their own device drivers?" Linus Torvalds




On Mon, Oct 17, 2011 at 3:11 PM, Paul & Andrea Mumby
<themumbys at gmail.com> wrote:
> Very cool project, wonder if you could make them generate music somehow...
> different pumpkins generate different tones/sounds (variations in voltage
> generated or something).
> Would be a neat project, and might make a near eerie sounding pumpkin choir
> sitting on your step lol...
> - Paul
>
>
> On Mon, Oct 17, 2011 at 3:05 PM, Emily Daniels <emily.daniels at gmail.com>
> wrote:
>>
>> Possibly- I went for a method that I had already tested on another
>> experiment, but I don't see why it wouldn't work, unless the pumpkin flesh
>> is too sweet and not acidic enough..
>>
>> On Mon, Oct 17, 2011 at 3:01 PM, Richard Guy Briggs <rgb at tricolour.net>
>> wrote:
>>>
>>> On Mon, Oct 17, 2011 at 02:54:38PM -0400, Emily Daniels wrote:
>>> > Hey Labbers-
>>> >
>>> > I just published a how-to on the bio-batteries I made over the weekend
>>> > from
>>> > miniature pumpkins. Check it out and let me know what you think!
>>> >
>>> > http://www.instructables.com/id/Pumpkin-Battery/
>>>
>>> Neat.
>>>
>>> I wonder if you could have done away with the electrolyte and simply
>>> used the pumpkin flesh as an electrolyte.  I made potato batteries with
>>> my son using copper and zinc strips.  They produce about 0.9V each.
>>>
>>> > Emily
>>> >
>>> > On Thu, Sep 1, 2011 at 12:08 PM, Emily Daniels
>>> > <emily.daniels at gmail.com>wrote:
>>> >
>>> > > LOL! Hmmm....
>>> > >
>>> > > @Paul It's not so large, and it's food related- some different types
>>> > > of
>>> > > bio-batteries. If the experiments work it will be hilarious. :)
>>> > >
>>> > > I'll share when I'm done!
>>> > >
>>> > >
>>> > > On Thu, Sep 1, 2011 at 12:06 PM, Andrew Plumb <andrew at plumb.org>
>>> > > wrote:
>>> > >
>>> > >> How are the sight-lines from the roof of Arts Court?  I'm wondering
>>> > >> if we
>>> > >> can see the parliament buildings' rooftops, in case Em decides to
>>> > >> obtain the
>>> > >> sheets of copper from an even cheaper source. ;-)
>>> > >>
>>> > >> Andrew.
>>> > >>
>>> > >> On 2011-09-01, at 11:57 AM, Sam Roesch wrote:
>>> > >>
>>> > >> > Cohen and Cohen does have everything... a great place just to go
>>> > >> > and
>>> > >> look around, although I find they can be sort of pricy.
>>> > >> >
>>> > >> > On Thu, Sep 1, 2011 at 3:53 PM, Emily Daniels
>>> > >> > <emily.daniels at gmail.com>
>>> > >> wrote:
>>> > >> > I was planning on using heavy duty aluminum foil as the anode and
>>> > >> > the
>>> > >> copper sheet as the cathode- the copper/zinc mixture of brass would
>>> > >> produce
>>> > >> a weaker current. It's about $50 for a 12"x12" sheet of copper from
>>> > >> Metal
>>> > >> Supermarkets- would rather find a cheaper solution. Thanks Darsha-
>>> > >> will
>>> > >> check out Cohen & Cohen.
>>> > >> >
>>> > >> >
>>> > >> > On Thu, Sep 1, 2011 at 11:51 AM, .·:*¨¨*:·.darsha.·:*¨¨*:·. <
>>> > >> darsha.h at gmail.com> wrote:
>>> > >> > Go to Cohen and Coehn - the  re-use store:
>>> > >> > http://www.cohenandcohen.com/reuse/
>>> > >> >
>>> > >> > On Thu, Sep 1, 2011 at 11:42 AM, Sam Roesch <samroesch at gmail.com>
>>> > >> wrote:
>>> > >> > > I'm thinking a copper roofing place might have something- I did
>>> > >> > > a
>>> > >> quick
>>> > >> > > google for "copper roofing ottawa" and got
>>> > >> > > this: http://www.roofersworld.com/store_copperroofing.htm
>>> > >> > > Probably expensive though... but if you only need small amounts
>>> > >> > > they
>>> > >> might
>>> > >> > > have an abundance of offcuts that they would give you for scrap
>>> > >> > > value.
>>> > >> > > Sam
>>> > >> > >
>>> > >> > > On Thu, Sep 1, 2011 at 3:17 PM, Emily Daniels <
>>> > >> emily.daniels at gmail.com>
>>> > >> > > wrote:
>>> > >> > >>
>>> > >> > >> Hello Everyone,
>>> > >> > >> I'm in the process of trying out a Crazy Idea but I need some
>>> > >> > >> sheets
>>> > >> of
>>> > >> > >> copper- does anyone have any that I could purchase or know of
>>> > >> > >> any
>>> > >> places in
>>> > >> > >> Ottawa where I could buy some? Thickness doesn't matter so much
>>> > >> > >> but
>>> > >> it would
>>> > >> > >> be nice to be able to cut the sheets relatively easily. Thanks!
>>> > >> > >> Emily
>>> > >> > >>
>>> > >> > >> --
>>> > >> > >> Emily Daniels | emilydaniels.com | @emdaniels |
>>> > >> awesomefoundation.org
>>> > >> > >>
>>> > >> > >>
>>> > >> > >> _______________________________________________
>>> > >> > >> Lab mailing list
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>>> > >> > >>
>>> > >> > >
>>> > >> > >
>>> > >> > > _______________________________________________
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>>> > >> > >
>>> > >> > >
>>> > >> >
>>> > >> >
>>> > >> >
>>> > >> > --
>>> > >> > .·:*¨¨*:·. www.darsha.org.·:*¨¨*:·.
>>> > >> >
>>> > >> >
>>> > >> >
>>> > >> > --
>>> > >> > Emily Daniels | emilydaniels.com | @emdaniels |
>>> > >> > awesomefoundation.org
>>> > >> >
>>> > >> >
>>> > >> > _______________________________________________
>>> > >> > Lab mailing list
>>> > >> > Lab at artengine.ca
>>> > >> > http://artengine.ca/mailman/listinfo/lab
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>>> > >> --
>>> > >>
>>> > >> "The future is already here.  It's just not very evenly distributed"
>>> > >> --
>>> > >> William Gibson
>>> > >>
>>> > >> Me: http://clothbot.com/wiki/
>>> > >>
>>> > >>
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>>> > >
>>> > >
>>> > >
>>> > > --
>>> > > Emily Daniels | emilydaniels.com | @emdaniels | awesomefoundation.org
>>> > >
>>> > >
>>> >
>>> >
>>> > --
>>> > Emily Daniels | emilydaniels.com | @emdaniels | awesomefoundation.org
>>>
>>> > _______________________________________________
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>>> > Lab at artengine.ca
>>> > http://artengine.ca/mailman/listinfo/lab
>>>
>>>
>>>        slainte mhath, RGB
>>>
>>> --
>>> Richard Guy Briggs               --  ~\    -- ~\
>>>  <hpv.tricolour.net>
>>> <www.TriColour.net>                --  \___   o \@       @       Ride yer
>>> bike!
>>> Ottawa, ON, CANADA                  --  Lo_>__M__\\/\%__\\/\%
>>> Vote! --
>>> <greenparty.ca>_____GTVS6#790__(*)__(*)________(*)(*)_________________
>>
>>
>>
>> --
>> Emily Daniels | emilydaniels.com | @emdaniels | awesomefoundation.org
>>
>>
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