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From: bhoughto@cmdnfs.intel.com (Blair P. Houghton)
Newsgroups: sci.electronics
Subject: Re: game arbitrator
Message-ID: <1415@inews.intel.com>
Date: 16 Dec 90 19:27:16 GMT
References: <34827@netnews.upenn.edu> <5485@mit-caf.MIT.EDU>
Sender: news@inews.intel.com
Organization: Intel Corp, Chandler, AZ
Lines: 32

Here's a simple method we used in college when
playing along with Jeopardy on the TV:

	=========--------     --------=========		<--- silver cap
	+-------+        \   /	      +-------+
	|	|	  \ /         |       |		<--- bakelite button
	+--+ +--+	   X          +--+ +--+
	   | |		  / \            | |
	   | |		 /   \           | |
          -----         /     \         -----		<--- copper contact
	               /       \
 A <<-----o   o--------         --------o   o----->> B	<--- 208v 3-phase

Have the contestants stand in pools of weak electrolyte
solution into which dangle cables connected to phase C of
the 208v supply.  The quicker contestant will make the
contact first, connecting his opponent's button to one of
the other phases.  If the opponent doesn't shy away
instantly, his screams and jumping will tell you who won.
This eliminates the need for any Sonalert(TM) or other
buzzer-type devices.

It also comes in handy for babysitting, thesis defenses,
and exams in "weeder" courses.

				--Blair
				  "We also have a nifty defibrillator design
				   we developed in the same program..."

Kollege Hint:  dormitory common-area kitchens with electric ranges
will have a 208v 3-phase outlet behind the stove.  If yours is gas,
try the laundry room!  The dryers should have them.  Happy answers!