[Lab] Copper Sheets?

[Richard Guy Briggs]

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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> >>
> >> "The future is already here.  It's just not very evenly distributed" --
> >> William Gibson
> >>
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> >>
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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

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