No, it's not his cat, it's mine. On the other side, my cat may know the
same trick. He loves to lay on my chair, I lift him up, drop him on the
sofa and returns to my chair...and there he is.


On 28 August 2013 13:18, Whittaker, Dewey (EHCOE) <
[log in to unmask]> wrote:

> So you can solve Schrödinger's cat riddle.
> Dewey
>
> -----Original Message-----
> From: TechNet [mailto:[log in to unmask]] On Behalf Of Inge Hernefjord
> Sent: Wednesday, August 28, 2013 1:10 PM
> To: [log in to unmask]
> Subject: Re: [TN] Blowing Smoke
>
> When our cat farts, a very smal amount of gas is spread all over the room
> and remains constant pretty long..
>
> Inge
>
>
> On 28 August 2013 11:21, Stadem, Richard D. <[log in to unmask]
> >wrote:
>
> > Find out how particle counters are calibrated. There must be a
> > procedure somewhere. Then figure out a way to make it cheaper and easier
> to use.
> >
> > -----Original Message-----
> > From: TechNet [mailto:[log in to unmask]] On Behalf Of Wayne Thayer
> > Sent: Wednesday, August 28, 2013 12:09 PM
> > To: [log in to unmask]
> > Subject: Re: [TN] Blowing Smoke
> >
> > Hi Phil-
> >
> > No problem with organics.
> >
> > This is a good direction to consider:  An electronic cigarette.  They
> > contain the micro-heater to vaporize the propylene glycol.  I can
> > probably make that controlled by the Arduino I'm using, and pulse
> > width modulate it to adjust how much comes out.  I may need an
> > additional blower of some kind in the system, but that sounds pretty
> easy.
> >
> > I'll let you know what I find out.
> >
> > Thanks,
> >
> > Wayne
> >
> >
> > -----Original Message-----
> > From: [log in to unmask] [mailto:[log in to unmask]]
> > Sent: Wednesday, August 28, 2013 11:25 AM
> > To: TechNet E-Mail Forum; Wayne Thayer
> > Subject: RE: [TN] Blowing Smoke
> >
> > Heat up propylene glycol, oh wait, you need inorganic particulates,
> right?
> >
> > -----Original Message-----
> > From: TechNet [mailto:[log in to unmask]] On Behalf Of Wayne Thayer
> > Sent: Wednesday, August 28, 2013 8:07 AM
> > To: [log in to unmask]
> > Subject: [TN] Blowing Smoke
> >
> > OK, here's another problem I've been playing with (although it has
> > little to do with IPC mission, it might be related).
> >
> > I am trying to build a system for measuring airborne particulates for
> > humanitarian organizations looking for inexpensive ways to
> > measure/monitor indoor air quality.  There are cheap sensors available
> > which might do the job, but they would need periodic re-calibration.
> >
> > So I need a controlled, extremely small amount of smoke.  At first, I
> > thought this would be trivial:  Find a cheap part at DigiKey and put
> > too many watts through it.  Way too much smoke and too little control.
> > Then I tried burning thin wires.  Too irregular because sometimes they
> > incinerate completely and other times they find a tiny defect and just
> > burn that until the wire stops conducting.  Then I tried just heating
> > the wire enough to burn off the insulation.  Still too irregular!  I
> > did just a few experiments and got 30% variation.
> >
> > Now I'm starting to think maybe a tiny piece of paper on an automotive
> > cigarette lighter.  That's a lot of power to get that glowing, and it
> > is not convenient to attach to.  Any other ideas?
> >
> > Wayne
> >
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