[Lab] Copper Sheets?

[Emily Daniels]

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
> > >> > >>
> > >> > >>
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> > >> >
> > >> >
> > >> >
> > >> > --
> > >> > .·:*¨¨*:·. www.darsha.org.·:*¨¨*:·.
> > >> >
> > >> >
> > >> >
> > >> > --
> > >> > Emily Daniels | emilydaniels.com | @emdaniels |
> awesomefoundation.org
> > >> >
> > >> >
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> > > --
> > > Emily Daniels | emilydaniels.com | @emdaniels | awesomefoundation.org
> > >
> > >
> >
> >
> > --
> > Emily Daniels | emilydaniels.com | @emdaniels | awesomefoundation.org
>
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>
>         slainte mhath, RGB
>
> --
> Richard Guy Briggs               --  ~\    -- ~\            <
> hpv.tricolour.net>
> <www.TriColour.net>                --  \___   o \@       @       Ride yer
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> Ottawa, ON, CANADA                  --  Lo_>__M__\\/\%__\\/\%
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>



-- 
Emily Daniels | emilydaniels.com | @emdaniels | awesomefoundation.org
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