Re: [TCML] Odd side effect--from a coil?

[mddeming@xxxxxxx]

Since the nature of ball lightning has never been verified by any reputable source I suppose that one can ascribe it to anything and anything to it.

Matt D.






-----Original Message-----
From: Binny <binny@xxxxxxxxxxxx>
To: Tesla Coil Mailing List <tesla@xxxxxxxxxx>
Sent: Wed, Jan 20, 2010 5:35 pm
Subject: Re: [TCML] Odd side effect--from a coil?


The hinges explain it then, IMHO as stainless conducts a magnetic field well but will not retain it well. Anyway just my 2 cents worth oh and the St. Elmo's fire that old timer was describing was really some form of ball lightning as he described it. Best wishes to all and may still more mysteries unravel before our eyes. 
 
----- Original Message ----- From: <mrapol@xxxxxxxxxxx> 
To: "Tesla Coil Mailing List" <tesla@xxxxxxxxxx> 
Sent: Wednesday, January 20, 2010 7:22 AM 
Subject: Re: [TCML] Odd side effect--from a coil? 
 
> 
> ----- Original Message ----- > From: <davep@xxxxxxxx> 
> To: "Tesla Coil Mailing List" <tesla@xxxxxxxxxx> 
> Sent: Wednesday, January 20, 2010 9:08 AM 
> Subject: Re: [TCML] Odd side effect--from a coil? 
> 
> 
>>> What amazes me is that stainless steel is non magnetic unless it is of 
>>> the poorest quality that would rust, so that feat would take an enormous 
>>> magnetic field. 
>> Varies with the 'stainless' Many sorts thereof. 
> 
> Let me describe the glasses more fully. The frame and limbs are stainless > steel--I don't know what grade--coated with a tinted plastic film. The > hinges are bare metal, and it is the hinges that are most strongly > magnetic. 
> 
> 
>>> I have heard tales of strange phenomena around coils tho. Like some 
>>> of the old timers stories of seeing St. Elmo's fire coming out of the 
>>> walls. 
>> I fail to see anything strange about that. Corona is standard in 
>> high fields. Reported (pre Tesla) by Lodge... 
>> 
>>>>I don't know hardly anything about magnets but I was under the >>>>impression 
>>>> that you need a huge magnetic field to magnetize things. 
>> Varies with the 'thing'. 
>> 
>>>>> I wear wire rim glasses. About 18 months ago I got new frames made of 
>>>>> stainless steel. 
>> Various grades of stainless. 
> 
> They're made by Safilo (if that matters) and pretty lightweight. In cross > section they are half round tubes. The hinges are the really magnetic > part, and they are solid metal. 
>> 
>>>>> After several months of experimenting with my modest tabletop coils, 
>>>>> I have found my glasses frames are magnetized. 
>> It would be interesting to know what other, if any experiments? 
>> Were the glasses nonmagnetic at start? 
> 
> They were not magnetic at first. I frequently take them off while sitting > at my desk, which is cluttered with pins, paperclips, etc. It's only been > in the last 6-8 months that I have noticed objects sticking to them. 
> 
> Paul 
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