I've used those things to help stroke victims reconnect themselves.
 The idea is to send an impulse strong enough for a different section of
the brain to find.
 Seems to work.

ode

At 01:02 PM 5/14/2004 -0500, you wrote:
>Summer is around the corner.  The bugs will be out in force soon.  I'll
>be out camping this weekend and although it's a bit cool right now I
>expect there will be some hardy mosquitos and ticks looking for
>blood...
>
>I just went out and bought a piezoelectric igniter for a gas grill. 
>Cost about $15.  It looks like those little zappers for arthritis pain
>that were being sold here a while ago, or like a short fat syringe
>without a needle.  One electrical contact is on the end of the igniter,
>the other is farther up the barrel.  I connected the barrel contact with
>a wire to a washer that I installed at the end of the barrel (insulated
>from the center contact).  So I now have the washer as one contact and
>the other is protruding through the center of the hole in the washer. 
>If I press the end against my skin, there is about 1/4 inch of space
>between the contact points.    I plan to use this on any tick or
>mosquito bites I get...
>
>Doesn't feel bad at all, since the contacts are so close together. 
>When they were farther apart it didn't hurt but the stimulation felt
>very disconcerting, somehow.
>
>Re: CS>Spider Bite Zapper?
>
>     From: Peter Rebaudo wrote:
>     Date: Thu, 13 May 2004 22:26:33 
>
>Hi:
>
>A barbecue piezorlectric igniter produces 25,000 volts.
>
>Anybody can has any suggestions how to measure the current?
>
>PeterR
>
>
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