Whoever invented the toy train transformer should have a plaque dedicated to 
them wherever kids get together and talk of discovery and destruction.

My big thing was to build a capacitor, charge it with the train transformer 
and then watch it discharge with a spark.  Years later the government taught 
me how to achieve my goal.

Bill
ps.  after reading this, Pookie tip toes around capacitors .


----- Original Message ----- 
From: "Sergey Dryga" <sdryga@nc.rr.com>
To: <piclist@mit.edu>
Sent: Thursday, January 05, 2006 2:15 PM
Subject: Re: [EE] stupid (learning) mistakes


> Herbert Graf <mailinglist2 <at> farcite.net> writes:
>
> <snip>
>
> I used to weld small peaces of metal with this.  I would take lead out of
> pencil (wooden, about 1-2 mm diameter, the softer the better - more 
> graphite)
> and use it as electrode for welding.  Power supply was 12V transformer, do 
> not
> remember the rating, but the heavier transformer the better.
>

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