[Lab] Copper Sheets?

[Jean-Marc LeBlanc]

SWEET! you made HACK A DAY
http://hackaday.com/2011/10/18/halloween-props-pumpkin-battery/

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 3:19 PM, Emily Daniels <emily.daniels at gmail.com> wrote:
> Thanks! I'd like to say those were fun to make but it's more true that I'm
> grateful we didn't have an infestation of ants after. I got sugar syrup
> everywhere.
>
> On Mon, Oct 17, 2011 at 3:17 PM, Jean-Marc LeBlanc
> <jeanmarc.leblanc at gmail.com> wrote:
>>
>> 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
>> >>> > >> > >> Lab at artengine.ca
>> >>> > >> > >> http://artengine.ca/mailman/listinfo/lab
>> >>> > >> > >>
>> >>> > >> > >
>> >>> > >> > >
>> >>> > >> > > _______________________________________________
>> >>> > >> > > Lab mailing list
>> >>> > >> > > Lab at artengine.ca
>> >>> > >> > > http://artengine.ca/mailman/listinfo/lab
>> >>> > >> > >
>> >>> > >> > >
>> >>> > >> >
>> >>> > >> >
>> >>> > >> >
>> >>> > >> > --
>> >>> > >> > .·:*¨¨*:·. www.darsha.org.·:*¨¨*:·.
>> >>> > >> >
>> >>> > >> >
>> >>> > >> >
>> >>> > >> > --
>> >>> > >> > Emily Daniels | emilydaniels.com | @emdaniels |
>> >>> > >> > awesomefoundation.org
>> >>> > >> >
>> >>> > >> >
>> >>> > >> > _______________________________________________
>> >>> > >> > Lab mailing list
>> >>> > >> > Lab at artengine.ca
>> >>> > >> > http://artengine.ca/mailman/listinfo/lab
>> >>> > >>
>> >>> > >> --
>> >>> > >>
>> >>> > >> "The future is already here.  It's just not very evenly
>> >>> > >> distributed"
>> >>> > >> --
>> >>> > >> William Gibson
>> >>> > >>
>> >>> > >> Me: http://clothbot.com/wiki/
>> >>> > >>
>> >>> > >>
>> >>> > >> _______________________________________________
>> >>> > >> Lab mailing list
>> >>> > >> Lab at artengine.ca
>> >>> > >> http://artengine.ca/mailman/listinfo/lab
>> >>> > >>
>> >>> > >
>> >>> > >
>> >>> > >
>> >>> > > --
>> >>> > > Emily Daniels | emilydaniels.com | @emdaniels |
>> >>> > > awesomefoundation.org
>> >>> > >
>> >>> > >
>> >>> >
>> >>> >
>> >>> > --
>> >>> > Emily Daniels | emilydaniels.com | @emdaniels |
>> >>> > awesomefoundation.org
>> >>>
>> >>> > _______________________________________________
>> >>> > Lab mailing list
>> >>> > 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
>> >>
>> >>
>> >> _______________________________________________
>> >> Lab mailing list
>> >> Lab at artengine.ca
>> >> http://artengine.ca/mailman/listinfo/lab
>> >>
>> >
>> >
>> > _______________________________________________
>> > Lab mailing list
>> > Lab at artengine.ca
>> > http://artengine.ca/mailman/listinfo/lab
>> >
>> >
>
>
>
> --
> Emily Daniels | emilydaniels.com | @emdaniels | awesomefoundation.org
>
>